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WorksheetsIGCSE physics general vocabulary
Total questions: 77
Worksheet time: 39mins
Name
Class
Date
1.
What is the typical voltage of a mains supply in many countries?
a)
a) 5 volts
b)
b) 12 volts
c)
c) 120 volts
d)
d) 230 volts
2.
The SI unit of electric charge is named after:
a)
a) Albert Einstein
b)
b) Michael Faraday
c)
c) James Clerk Maxwell
d)
d) Charles-Augustin de Coulomb
3.
Which instrument is used to measure electric current?
a)
a) Ammeter
b)
b) Voltmeter
c)
c) Thermometer
d)
d) Barometer
4.
Which instrument is used to measure mass?
a)
a) Ammeter
b)
b) Voltmeter
c)
c) Beam balance
d)
d) Thermometer
5.
Echoes occur when sound waves:
a)
a) Are absorbed by a surface
b)
b) Are reflected off a surface
c)
c) Are refracted through a medium
d)
d) Pass through a vacuum
6.
The number of protons in the nucleus of an atom determines its:
a)
a) Atomic mass
b)
b) Atomic number
c)
c) Isotopic mass
d)
d) Electron configuration
7.
What device is used to measure atmospheric pressure?
a)
a) Barometer
b)
b) Thermometer
c)
c) Hydrometer
d)
d) Manometer
8.
A diverging lens is a lens that:
a)
a) Bends light rays inward
b)
b) Bends light rays outward
c)
c) Does not affect light rays
d)
d) Reflects light rays
9.
The point through which the entire weight of an object appears to act is known as the:
a)
a) Centre of Mass
b)
b) Centre of Gravity
c)
c) Centre of Inertia
d)
d) Centre of Rotation
10.
The force that keeps an object moving in a circular path is called:
a)
a) Centrifugal force
b)
b) Centripetal force
c)
c) Gravitational force
d)
d) Inertial force
11.
A device used to convert direct current (DC) into alternating current (AC) is called a:
a)
a) Commutator
b)
b) Rectifier
c)
c) Transformer
d)
d) Inductor
12.
A lens that is thicker in the middle and thinner at the edges is known as a:
a)
a) Concave lens
b)
b) Convex lens
c)
c) Diverging lens
d)
d) Converging lens
13.
The transfer of heat through a material by the movement of particles is known as:
a)
a) Conduction
b)
b) Convection
c)
c) Radiation
d)
d) Transpiration
14.
The transfer of heat through the movement of fluid particles is known as:
a)
a) Conduction
b)
b) Convection
c)
c) Radiation
d)
d) Insulation
15.
A bimetal strip is used in thermometers and thermostats because it:
a)
a) Conducts electricity well
b)
b) Has a high melting point
c)
c) Expands at different rates when heated
d)
d) Is magnetic
16.
Digital signals in electronics represent information as:
a)
a) Continuous waveforms
b)
b) Analog quantities
c)
c) Discrete values
d)
d) Variable frequencies
17.
Alternators are devices that:
a)
a) Convert electrical energy into mechanical energy
b)
b) Convert mechanical energy into electrical energy
c)
c) Store electrical energy
d)
d) Measure electrical current
18.
A battery is a device that:
a)
a) Converts mechanical energy into electrical energy
b)
b) Stores electrical energy
c)
c) Converts electrical energy into mechanical energy
d)
d) Measures electrical current
19.
A lens that is thinner in the middle and thicker at the edges is known as a:
a)
a) Convex lens
b)
b) Concave lens
c)
c) Diverging lens
d)
d) Converging lens
20.
The force experienced by a moving charged particle in a magnetic field is called:
a)
a) Coulomb force
b)
b) Electric force
c)
c) Magnetic force
d)
d) Gravitational force
21.
The angle of incidence at which light entering a medium is refracted along the surface is known as the:
a)
a) Critical angle
b)
b) Angle of reflection
c)
c) Angle of refraction
d)
d) Angle of incidence
22.
Capacitors store electrical energy in the form of:
a)
a) Current
b)
b) Voltage
c)
c) Resistance
d)
d) Magnetic fields
23.
An object floats in a fluid when the:
a)
a) Density of the object is less than the density of the fluid
b)
b) Density of the object is greater than the density of the fluid
c)
c) Volume of the object is less than the volume of the fluid displaced
d)
d) Weight of the object is less than the weight of the fluid displaced
24.
What type of current alternates direction periodically?
a)
a) Direct current
b)
b) Alternating current
c)
c) Battery current
d)
d) Ampere current
25.
Currents induced in a conductor due to a changing magnetic field are known as:
a)
a) Direct currents
b)
b) Alternating currents
c)
c) Induced currents
d)
d) Magnetic currents
26.
Acceleration is defined as the rate of change of:
a)
a) Distance
b)
b) Speed
c)
c) Time
d)
d) Velocity
27.
A Geiger-Muller tube is used to detect and measure:
a)
a) Electric current
b)
b) Radioactivity
c)
c) Magnetic fields
d)
d) Atmospheric pressure
28.
Beta decay involves the emission of:
a)
a) Electrons
b)
b) Protons
c)
c) Neutrons
d)
d) Alpha particles
29.
The positively charged subatomic particles found in the nucleus of an atom are called:
a)
a) Electrons
b)
b) Protons
c)
c) Neutrons
d)
d) Positrons
30.
Conventional current flow is defined as the flow of:
a)
a) Electrons from positive to negative
b)
b) Electrons from negative to positive
c)
c) Protons from positive to negative
d)
d) Protons from negative to positive
31.
Dark matter is a form of matter that:
a)
a) Emits visible light
b)
b) Interacts with electromagnetic radiation
c)
c) Accounts for a significant portion of the universe's mass
d)
d) Is easily detectable in space
32.
The property of matter that determines its interaction with electromagnetic fields is known as:
a)
a) Energy
b)
b) Charge
c)
c) Mass
d)
d) Velocity
33.
The process by which a gas changes into a liquid is called:
a)
a) Evaporation
b)
b) Vaporization
c)
c) Condensation
d)
d) Sublimation
34.
Double insulation in electrical appliances is a safety feature that provides:
a)
a) Extra power supply
b)
b) Additional protection from electric shock
c)
c) Improved efficiency
d)
d) Higher voltage output
35.
A self-sustaining reaction in which the products of one reaction event stimulate further reaction events is called a:
a)
a) Fission reaction
b)
b) Fusion reaction
c)
c) Chain reaction
d)
d) Nuclear reaction
36.
The Big Bang theory explains the:
a)
a) Formation of stars and galaxies
b)
b) Formation of the solar system
c)
c) Expansion of the universe from a singular point
d)
d) Formation of Earth's atmosphere
37.
Which term describes the motion of an object falling under the sole influence of gravity?
a)
a) Freefall
b)
b) Deceleration
c)
c) Centripetal
d)
d) Angular Moment
38.
The Celsius temperature scale is based on the:
a)
a) Freezing and boiling points of water
b)
b) Triple point of water
c)
c) Melting and boiling points of mercury
d)
d) Absolute zero temperature
39.
What term describes the maximum displacement from the equilibrium position in a wave?
a)
a) Frequency
b)
b) Wavelength
c)
c) Amplitude
d)
d) Velocity
40.
A safety device that automatically interrupts the flow of electric current in a circuit is called a:
a)
a) Fuse
b)
b) Resistor
c)
c) Circuit breaker
d)
d) Capacitor
41.
Which of the following devices converts mechanical energy into electrical energy?
a)
a) Generators
b)
b) Capacitors
c)
c) Diodes
d)
d) Rectifiers
42.
Eddy currents are induced currents that flow:
a)
a) In a straight line
b)
b) Parallel to the main current
c)
c) In the opposite direction to the main current
d)
d) Along the surface of a conductor
43.
Earthing in electrical systems is done to:
a)
a) Increase voltage
b)
b) Decrease current flow
c)
c) Provide a path for excess charge to flow to the ground
d)
d) Prevent electric shock
44.
Deceleration occurs when an object:
a)
a) Increases its velocity
b)
b) Maintains a constant velocity
c)
c) Decreases its velocity
d)
d) Travels in a straight line
45.
Efficiency of a machine or process is defined as the ratio of:
a)
a) Input energy to output energy
b)
b) Output energy to input energy
c)
c) Input power to output power
d)
d) Output power to input power
46.
The unit of radioactivity, symbolized as Bq, is named after which scientist?
a)
a) Isaac Newton
b)
b) Marie Curie
c)
c) Albert Einstein
d)
d) Henri Becquerel
47.
The elastic limit of a material is the point beyond which:
a)
a) It becomes brittle
b)
b) It returns to its original shape after deformation
c)
c) Permanent deformation occurs
d)
d) It breaks
48.
The boiling point of a substance is the temperature at which:
a)
a) It changes from solid to liquid
b)
b) It changes from liquid to gas
c)
c) It changes from gas to liquid
d)
d) It changes from liquid to solid
49.
Which principle states that energy cannot be created or destroyed, only transferred or transformed?
a)
a) Law of Inertia
b)
b) Newton's Third Law
c)
c) Law of Conservation of Energy
d)
d) Boyle's Law
50.
What term describes the magnetic field produced by a current-carrying coil of wire?
a)
a) Magnetic flux
b)
b) Magnetic force
c)
c) Coil magnetic field
d)
d) Magnetic induction
51.
Angular momentum is a measure of an object's:
a)
a) Mass
b)
b) Volume
c)
c) Rotational motion
d)
d) Linear motion
52.
Density is defined as the:
a)
a) Mass per unit volume
b)
b) Volume per unit mass
c)
c) Weight per unit volume
d)
d) Volume per unit weight
53.
A power station primarily converts:
a)
a) Mechanical energy into electrical energy
b)
b) Electrical energy into mechanical energy
c)
c) Potential energy into kinetic energy
d)
d) Kinetic energy into potential energy
54.
Radio waves are a type of:
a)
a) Mechanical wave
b)
b) Electromagnetic wave
c)
c) Transverse wave
d)
d) Longitudinal wave
55.
What is the average of a set of numerical values called?
a)
a) Median
b)
b) Mode
c)
c) Range
d)
d) Mean
56.
Brownian motion is the random movement of:
a)
a) Molecules in a liquid or gas
b)
b) Atoms in a solid
c)
c) Particles in a vacuum
d)
d) Electrons in a wire
57.
According to the Bohr model, electrons in an atom:
a)
a) Move in random orbits
b)
b) Move in fixed orbits or shells
c)
c) Are found in the nucleus
d)
d) Have no specific location
58.
The process by which unstable atomic nuclei emit radiation to achieve stability is known as:
a)
a) Nuclear fusion
b)
b) Nuclear fission
c)
c) Radioactive decay
d)
d) Electron capture
59.
What unit is used to measure electric current?
a)
a) Ohm
b)
b) Ampere
c)
c) Volt
d)
d) Watt
60.
Diodes are semiconductor devices that primarily allow the flow of current in:
a)
a) One direction only
b)
b) Two opposite directions
c)
c) Both directions equally
d)
d) No direction
61.
The apparent change in depth of an object when viewed through a transparent medium is called:
a)
a) Optical illusion
b)
b) Apparent depth
c)
c) Refraction
d)
d) Reflection
62.
Pressure is defined as the force applied:
a)
a) Per unit area
b)
b) Per unit volume
c)
c) Per unit length
d)
d) Per unit mass
63.
A displacement can is a device used to measure:
a)
a) Pressure
b)
b) Temperature
c)
c) Displacement
d)
d) Density
64.
Which of the following particles has the same mass but opposite charge to an electron?
a)
a) Proton
b)
b) Neutron
c)
c) Positron
d)
d) Antiproton
65.
Subatomic particles that have a negative charge are called:
a)
a) Protons
b)
b) Neutrons
c)
c) Electrons
d)
d) Positrons
66.
Alpha decay particles consist of:
a)
a) Protons and neutrons
b)
b) Electrons
c)
c) Helium nuclei
d)
d) Positrons
67.
In a longitudinal wave, the regions where the particles are closest together are called:
a)
a) Rarefactions
b)
b) Refractions
c)
c) Troughs
d)
d) Compressions
68.
Analogue signals are characterized by:
a)
a) Representing data using discrete values
b)
b) Representing data using continuous values
c)
c) Transmitting data using binary code
d)
d) Storing data in digital format
69.
Carbon dating is a method used to determine the age of:
a)
a) Rocks
b)
b) Fossils
c)
c) Artifacts
d)
d) All of the above
70.
Motion along a circular path at a constant speed is known as:
a)
a) Rotational motion
b)
b) Linear motion
c)
c) Circular motion
d)
d) Periodic motion
71.
Which of the following quantities has both magnitude and direction?
a)
a) Scalar
b)
b) Magnitude
c)
c) Vector
d)
d) Scalar field
72.
In a series-parallel circuit, components are arranged in a combination of:
a)
a) Series only
b)
b) Parallel only
c)
c) Both series and parallel configurations
d)
d) Random configurations
73.
A device used to detect and track the path of charged particles is called a:
a)
a) Spectrometer
b)
b) Accelerometer
c)
c) Cloud chamber
d)
d) Geiger counter
74.
Rectifiers are electrical devices used to:
a)
a) Store electrical energy
b)
b) Convert alternating current (AC) to direct current (DC)
c)
c) Increase voltage in a circuit
d)
d) Measure electrical resistance
75.
A device used to capture images is called a:
a)
a) Telescope
b)
b) Microscope
c)
c) Camera
d)
d) Laser
76.
Absolute Zero is:
a)
a) The lowest possible temperature at which all motion ceases
b)
b) The highest possible temperature at which all motion ceases
c)
c) The temperature at which water freezes
d)
d) The temperature at which water boils
77.
Conservation of momentum states that in a closed system:
a)
a) Total energy remains constant
b)
b) Total momentum remains constant
c)
c) Total mass remains constant
d)
d) Total velocity remains constant
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