Physics Test: Class 11 & 12, CUET, NEET, 30 MCQs in 30 MINs

BASIC DEFINITION(S):

Bead: A bead is a solid object with a hole through which it can be integrate on a thread (wire).

Microwave Oven: A microwave oven, sometimes known as an electronic oven, is a device that uses microwaves, which are high-frequency electromagnetic waves, to cook food.

Proportional: If one amount is proportional to another, the two amounts increase and decrease at the same rate, implying that they always have the same relationship.

Mass: The amount of matter contained in or constituting a physical body is measured by its mass.

Velocity: The velocity of something is the rate at which it moves in a specific direction.

BASIC DEFINITION(S):

Battery: A device that stores chemical energy and then turns that energy into electrical energy is called a battery.

Electrical Energy: The term "electrical energy" refers to the energy that can be obtained from either the electric potential energy or the kinetic energy of charged particles.

BASIC DEFINITION(S):

Power Cord: A power cord, also known as a line cord or mains cable, is an electrical cable that connects an appliance to the mains electricity supply temporarily via a wall socket or extension cord.

Plug: A plug is a small plastic object with two or three metal pins that fit into the holes of an electric socket and connect the equipment to the power supply.

Electron: It is one of the three types of particles that make-up all atoms. The electric charge of electrons is negative.

BASIC DEFINITION(S):

Ball Bearing: A ball bearing is one of several metal balls that are placed between machine parts to allow them to move smoothly.

Axle: It is a rod that turns a wheel or is connected to a wheel so that they both turn.

Heat: It is a type of energy that is transferred between systems or objects that have different temperatures.

Mechanical System: Any service that uses machines is referred to as a mechanical system.

Friction: The act of rubbing one surface or object against another is known as friction.

Sliding/Static Friction: When things slide over a surface, there is friction called sliding friction. Static friction is more powerful than sliding friction.

BASIC DEFINITION(S):

Copper: One of the most well-known metals for conducting heat and electricity is copper, a metallic chemical element that is easily shaped into sheets and wires.

Steel: It is a very strong metal made primarily of iron.

Electromagnet: An electromagnet is a magnetic material (usually iron) core surrounded by a wire coil through which an electric current is passed to magnetize the core.

Electric Doorbell: An electric doorbell is a type of electromechanical device that operates by using an electromagnet.

Current: In a full electrical circuit, current is the rate at which electrons move past a certain point. Current = flow, at its most fundamental level.

Coil: Coiling is the process of forming something into a round shape.

Magnetic: The word "magnetic" literally means "anything that attracts metal," such as steel or iron.

Clapper: A bell's tongue is a clapper. It is a mechanical mechanism that generates noise, particularly when parts clash.

Magnetic Dipole: An analogue of an electric dipole, a magnetic dipole is a system of two magnetic charges.

BASIC DEFINITION(S):

Breeze: A wind speed ranging from 6 to 50 kilometers per hour is referred to as a breeze.

Net Force: The term "net force" refers to the sum of all the forces that are simultaneously acting on an item, while "resultant force" is another name for this concept.

BASIC DEFINITION(S):

Electric Power: Power is the rate at which work is done or energy is moved in an electrical circuit. Electric power is measured in watts.

BASIC DEFINITION(S):

Mail Order Catalogue: A mail order catalogue is a book that lists all the products that may be ordered from a store or online and shipped to the customer.

Dimmer: A dimmer is a device connected to a light fixture and used to lower the brightness of the light.

Disc: A disc is an object that is circular and very thin.

Socket: A socket is a device on a wall where you can plug-in electrical items to get power.

Incandescent Light Bulb: An electric light that has a wire filament that is heated up until it glows is referred to as an incandescent light bulb, an incandescent lamp, or an incandescent light globe.

BASIC DEFINITION(S):

Current: In a full electrical circuit, current is the rate at which electrons move past a certain point. Current = flow, at its most fundamental level. The international unit for measuring current is an ampere (AM-pir), sometimes known as an amp.

High Voltage and Low Voltage: Electricity, even at low voltage, can be dangerous, as we all know. Low voltage is between 0 and 50 volts, whereas high voltage is between 1,000 and 500,000 volts.

Power: It is the supply of energy to something in order for it to function. Formally speaking, power is defined as units of energy per unit of time.

Power Transmission: The transfer of energy from its source to a location where it will be used to carry out meaningful work is known as power transmission.

Transmission Wire: Power is transported from its source to its destination over transmission lines, which are made up of thick cables strung between tall towers.

Cross-Country Transmission System: Two countries must build up a "cross-country transmission system" in order for their transmission grids to interchange electricity.

Transformer: A transformer is a tool used to move electrical energy from one alternating-current circuit to one or more additional circuits, either by stepping up the voltage or stepping down the voltage.

BASIC DEFINITION(S):

Magnetic Tape: It is one form of physical storage medium that can be used for a variety of data types.

Tape: On a long, narrow strip of plastic or thin metal, sound and images can be recorded using a medium known as tape.

Electric Field: The electric field can be thought of as the amount of electric force that is exerted by each charge, and the electric force that is exerted on a charge at a certain location in space is calculated by multiplying the quantity of charge by the electric field at that location.

Bimetallic Strip Thermometer: A tool for measuring temperature is a bimetallic thermometer. Using a bimetallic strip, it turns the temperature of the medium into a mechanical displacement. The bimetallic strip is made of two different metals that expand at different rates when heated.

BASIC DEFINITION(S):

Radio Station: A station that is equipped to use radio communication or transmit energy using radio waves is referred to as a "radio station".

Radio Signal: A radio signal is a radio wave that is used to send and receive communications.

Oscillation Frequency: One oscillation of the pendulum refers to its full back and forth motion. The number of oscillations in a single unit of time, such as a second, is known as the oscillation frequency.

Electric Charge: An electric charge is the quantity of electricity that anything is holding or transporting. A current of 1 ampere flowing for 1 second carries 1 coulomb of electric charge.

Antenna: An antenna is a metallic object that can receive and/or transmit radio waves.

Heater Coil: It is a coil of wire that has been heated by an electric current and is used for industrial or scientific purposes to produce and maintain high temperatures.

BASIC DEFINITION(S):

Polarity: Inside a direct current (DC) circuit, polarity refers to the positive or negative conductors, and within an alternating current (AC) circuit, polarity refers to the Line and Neutral conductors. In an electrical circuit, the direction in which current flows determines the polarity of the circuit, which can be positive or negative.

Speaker Coil: A voice coil is a winding of a wire, typically made of copper or aluminum, that is wound around a former (sometimes referred to as a bobbin), and then attached to the apex of a speaker cone. Voice coils are used to produce sound in speakers. As a result of its interaction with the magnetic field generated by the motor mechanism, this voice coil causes movement to be transmitted to the speaker cone.

Speaker Cone: The speaker cone is a model for describing how loud a sound is. A sound that doesn't have a direction has the same volume at a certain distance in every direction. When a sound has a direction, it is loudest in that direction. A sound cone is a model that shows how loud a sound is in a certain direction.

Magnetized: It means to cause the development of magnetic characteristics.

Permanent Magnet: A magnet that retains its magnetism even after the magnetizing force that was applied to it has been removed is known as a permanent magnet.

BASIC DEFINITION(S):

Permanent Magnet: All permanent magnets have a magnetic field created from within the material.

Rotor: A rotor is a component of a machine that rotates in some direction.

Friction: The act of rubbing one surface or substance against another is referred to as friction.

Energy: The term "energy" refers to the power derived from various sources such as coal, electricity, gas, etc., and then put to use in various ways such as heating, powering machinery, et cetera.

Magnet: A magnet is any piece of ferrous material, such as iron, steel, etc., that has the ability to attract and take up other metallic items.

Electromagnet: An electromagnet consists of a core made of a softer metal that is transformed into a magnet by the flow of electric current through a coil that is wound around it.

BASIC DEFINITION(S):

Gymnast: It is a term used to describe someone who practices gymnastics.

Leaping Off: To make a large jump or sudden movement, usually from one place to another.

Double Back-Flip: Two back-flips performed back-to-back in the same jump are referred to as a double back-flip.

Angular Momentum: The quantity of rotation of a body that is the product of its moment of inertia and angular velocity is known as angular momentum.

Momentum: It is defined as the amount of motion in something that is moving or the force that drives or pushes somebody/something forward or in a particular direction to keep it moving.

Velocity: The velocity of something is the rate at which it moves in a specific direction.

Angular Velocity: The angular velocity of an object is the rate at which it rotates or revolves about an axis, or the rate at which the angular displacement between two bodies changes.

BASIC DEFINITION(S):

Ball Bearing: A ball bearing is one of several metal balls that are placed between machine parts to allow them to move smoothly.

Axle: It is a rod that turns a wheel or is connected to a wheel so that they both turn.

Heat: It is a type of energy that is transferred between systems or objects that have different temperatures.

Mechanical System: Any service that uses machines is referred to as a mechanical system.

Friction: The act of rubbing one surface or object against another is known as friction.

Sliding Friction: When things slide over a surface, there is friction called sliding friction. Static friction is more powerful than sliding friction.

Static Friction: It occurs between surfaces that are in contact and at rest with respect to each other. It is the force that makes it difficult to begin moving an object. In order to move an object, the force of static friction must be overcome.

Electricity: It is a type of energy that we use to generate heat, light, and power machines, among other things.

BASIC DEFINITION(S):

Television: A system for transmitting moving images and sound is known as television, or TV. It is among the most significant and well-liked methods of communicating. People all throughout the world can find news, information, and entertainment on television.

Electron: It is one of the three types of particles that make-up all atoms. The electric charge of electrons is negative.

Magnetic Field: It is an area around a magnet that functions like a magnet where a force will draw some metal(s) in that direction of that magnet.

Electron Beam: It is a stream of electrons in a gas or vacuum. Cathode rays are also known as electron beams or e-beams. It is an electron streams observed in discharge tubes.

Horizontal: Horizontal line is a straight line that is mapped from left to right.

BASIC DEFINITION(S):

North Pole: The northernmost point on Earth is the North Pole.

South Pole: The South Pole is the location on Earth that is considered to be the most southern point.

BASIC DEFINITION(S):

MOSFET Transistor: MOSFETs are a type of electrical device that may switch voltages in circuits or magnify existing voltages. They are also known by their acronym, "Metal Oxide Silicon Field Effect Transistors." It is a device that can control voltage, and it is made up of three terminals.

Gate of the Transistor: A transistor is an electronic device with three ends: a SOURCE, a SINK, and a GATE. When the GATE of a transistor is ON (or has a value of 1), electricity flows from the SOURCE to the SINK, and the transistor is said to be ON. Otherwise, when the GATE of a transistor is OFF (or has a value of 0), electricity does not flow from the SOURCE to the SINK, and the transistor is said to be OFF.

Magnetic Field: A magnetic field is an area around a magnet that works like a magnet and where a force will drag some metals in the direction of that magnet. This area is known as the magnetic sphere.

Magnetic Pole: The magnetic pole is the region at either end of a magnet where the strength of the magnet's attracting force is greatest relative to the surrounding environment.

Radio Waves: Radio waves serve as the fundamental element upon which radio communications are built. Radio waves are characterized by a succession of recurrent peaks and valleys, much like water waves on a pond.

BASIC DEFINITION(S):

Lawn-mower: The job of a lawnmower is to cut grass on lawns.

Magneto: It is an electric generator that makes electricity by using magnets.

Electromagnetic Device: Electromagnetic refers to the electrical and magnetic forces or effects that an electric current creates. Electromagnetic devices are devices that contain electromagnets.

Electrical Impulse: In general, the movement of energy during a brief time period is what we mean when we talk about an impulse. An electrical impulse could be a voltage signal created when the voltage temporarily shifts to a different level and then returns to its usual level, with or without any energy transfer taking place. Many people prefer the term "pulse" to "impulse" when referring to this type of signal.

Leap: To "leap" is to "make a jump or quick movement, typically from one location to another".

Ignite: When something is ignited, it begins to burn.

Spark Plug: A spark plug is a small piece of equipment in an engine that creates a spark, which is a bright flash of electricity that causes the fuel to burn and the engine to start.

Ignition Pulse: The process of getting the fuel to burn is called the ignition pulse.

BASIC DEFINITION(S):

Swing Set: A swing set is a structure made of metal that has chairs suspended from it. Children sit on the seats and move backward and forth on the swing set.

Velocity: It is the best way to tell where an object is and how fast it is moving. It is the distance that an object moves in one unit of time. The speed of an object can be defined as how far it moves in one unit of time.

Kinetic Energy: It is the energy of motion, which can be seen when an object, particle, or group of particles moves. Kinetic energy is used by anything that moves.

Speed: The pace at which a moving object's position shifts in any direction is considered its speed. The rate of travel is calculated by dividing the total distance travelled by the total time it took to travel that distance. Because velocity just has a direction and no magnitude, it is a scalar quantity.

Momentum: It is strength or force that is gained by moving or by a series of events.

Apex: The term "apex" refers to the peak or highest point of something.

BASIC DEFINITION(S):

Water Skiing: A sport called water skiing is practiced on the water's surface. Ralph Samuelson invented water skiing in the 1920s.

Velocity: It is the speed at which something moves in a particular direction.

Constant Speed: We refer to an object as travelling at a constant speed when its speed is constant and neither rises nor falls.

Straight Line: A straight line is one that has no bends or curves. It is the shortest path between two points.

BASIC DEFINITION(S):

Electric Motor: One type of electrical machine that can transform electrical energy into mechanical energy is known as an electric motor.

Motor: A motor is a device that uses fuel of any kind (petrol, gas, electricity, etc.) to produce movement, which in turn allows a machine or something similar to function.

Electricity: It is a form of energy that may be used to generate heat, light, and the power necessary to run machines and the like.

BASIC DEFINITION(S):

Steam Generator: A device known as a steam generator is an apparatus that boils liquid water using some other form of heat to produce water in its vapor phase, which is known as steam.

Electricity: It is a kind of energy that may be utilized to generate heat, light, and the power necessary to run machines and the like.

Magnet: Any piece of ferrous material, such as iron, steel, etc. that has the power to attract and take up other metallic materials is considered to be a magnet.

BASIC DEFINITION(S):

Engine: An automobile's engine is the component that generates the power needed to propel (move) the car.

Resistance: The characteristic of a conductor that opposes the flow of electric current is known as resistance.

Object in Motion: If an object's position with relation to a fixed point is shifting, it is said to be moving.

Net Force: The net force is the total of all the forces operating on an object, according to its definition.

Stationary: Not moving.

Air Drag (Air Resistance): Air resistance is the term for the forces that oppose an object's relative motion as it travels through the air. The object is slowed down by these drag forces because they work in opposition to the flow velocity.

Object's Velocity: The pace at which an object changes position while travelling is referred to as the velocity of the object.

Accelerate: It is a verb that implies to move more quickly or to pick up speed.

BASIC DEFINITION(S):

Electric Current: The term "electric current" refers to the flow of charged particles like electrons or ions across an electrical conductor or vacuum.

Electrical Insulator: A substance is considered to be an electrical insulator if it does not allow free flow of electric current.

Electron: All atoms include three different sorts of particles, and electrons are one of them. Electrons carry a negative charge.

Electric Field: The electric field is the electric force acting on a single charge.

Electrical Conductor: A substance or material is referred to as an electrical conductor when it has the ability to allow electricity to flow through it.

BASIC DEFINITION(S):

Short Circuit: A short circuit is a poor electrical connection that can bring a machine to a halt in its operations.

Electrical Connection: Any physical structure that enables current to flow electrically through it can be considered an electrical connection.

BASIC DEFINITION(S):

Aluminum: It is a silver-white metal that has the atomic number 13 and is good at conducting electricity and heat.

Rotor: A rotor is a component of a machine that rotates in some direction.

Induction Motor: A common type of AC electric motor is an induction motor, which is also called an asynchronous motor. In an induction motor, the rotor gets the electric current it needs to make rotation from the rotating magnetic field of the stator winding. The stator is the machine's non-moving, stationary counterpart.

Permanent Magnet: All permanent magnets have a magnetic field created from within the material.

Electrical Connection: A structure is said to have an electrical connection if it permits the flow of electricity through it.

Magnetic Field: An object's magnetic field is the region in which that object's magnetic force is effective.

BASIC DEFINITION(S):

Television: A system for transmitting moving images and sound is known as television, or TV. It is among the most significant and well-liked methods of communicating. People all throughout the world can find news, information, and entertainment on television.

Electron: It is one of the three types of particles that make-up all atoms. The electric charge of electrons is negative.

Picture Tube: In a television, the picture is displayed on a picture tube, a cathode-ray tube.

Phosphors: When subjected to radiation like an electron beam or UV light, phosphor—a solid material—emits light.

Flash: It refers to the act of making something shine brightly and suddenly.

BASIC DEFINITION(S):

Electrically Charged Particle: A particle with an electric charge is referred to as a charged particle.

Spiral Down: It implies to quickly drop.

North Pole: The northernmost point on Earth is the North Pole.

AURORA BOREALIS/NORTHERN LIGHTS: A pattern of colored lights known as AURORA BOREALIS can occasionally be observed in the night sky in the world's most northern regions.

Earth's Magnetic Field: The magnetic field that envelops the Earth is known as its magnetic field. It is referred to as the geomagnetic field at times. The rotation of the Earth and its core generates the magnetic field of the planet. It protects the planet Earth from dangerous space debris.

Magnetic Field: It is an area around a magnet that functions like a magnet where a force will draw some metal(s) in that direction of that magnet.

North Magnetic Pole: Earth is a giant magnet. On ELLESMERE Island in NORTHERN CANADA, there is a location known as the Magnetic North Pole (sometimes called the North Dip Pole), which is where the northern lines of attraction enter the Earth. The Magnetic North Pole was found on June 1, 1831 by James Clark Ross.

South Magnetic Pole: The location on the surface of the Earth where the magnetic field is vertically upward is known as the south magnetic pole. The magnetic South Pole is movable. Its location shifts by around 5 kilometers annually.

BASIC DEFINITION(S):

Non Magnetic: Non-magnetic materials are things that don't attract magnets. Examples include wood, aluminum, and copper.

Rotor: Part of a machine that spins is called a rotor.

Magnetic: The word "magnetic" literally means "anything that attracts metal," such as steel or iron.

Alternating Current: AC is a type of electrical current in which the direction of electron flow alternates at regular intervals or cycles.

Positive and Negative Charge: A negative charge is present when there are more electrons than protons in an item. When an atom has more protons than electrons, it has a positive charge. Protons have a positive charge, whereas electrons have a negative charge. The coulomb is the unit of charge (C).

Direct Current (DC): AC and DC both describe different types of current flow in a circuit. The electric charge (current) in direct current (DC) only flows in one direction. Electric charge in alternating current (AC), on the other hand, alternates direction on a regular basis.

Aluminum: Chemically speaking, aluminum is an element with the symbol Al and atomic number 13.

Magnetic Pole: The magnetic pole is the area at each end of a magnet where the external magnetic field is the strongest.