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Science Physics Definition Test

This document defines 19 physics terms: scalar, vector, uniform acceleration, velocity, mass, weight, gravitational field, gravitational field strength, pressure, wavefront, transverse wave, period of a wave, electric field, current, electromotive force, potential difference across a component, resistance of a resistor, refractive index of glass, and critical angle. Definitions are provided for each term in 1-2 sentences.

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Quin Zhang Guiying
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81 views5 pages

Science Physics Definition Test

This document defines 19 physics terms: scalar, vector, uniform acceleration, velocity, mass, weight, gravitational field, gravitational field strength, pressure, wavefront, transverse wave, period of a wave, electric field, current, electromotive force, potential difference across a component, resistance of a resistor, refractive index of glass, and critical angle. Definitions are provided for each term in 1-2 sentences.

Uploaded by

Quin Zhang Guiying
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPT, PDF, TXT or read online on Scribd
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Science Physics

Definition Test
What is the definition of
10. Wavefront
1. Scalar
11. Transverse wave
2. Vector
12. Period of a wave
3. Uniform acceleration
13. Electric field
4. Velocity 14. Current
5. Mass 15. Electromotive force
16. Potential difference across a
6. Weight
component
7. Gravitational field 17. Resistance of a resistor
8. Gravitational field strength 18. Refractive index of glass
9. Pressure 19. Critical angle
Definition
1. Scalar – Quantity with magnitude and no direction

2. Vector - Quantity with magnitude and direction

3. Uniform acceleration – the rate of change of velocity is constant. /


velocity changes at a constant rate

4. Velocity – Rate of change of displacement / rate of change of


distance in a specific direction

5. Mass – measure of the amount of substance in an object

6. Weight – force of gravity acting on an object

7. Gravitational field – a region in which a mass experience


gravitational attraction

8. Gravitational field strength – gravitational force acting on a unit


mass
Definition
10. Pressure – force acting on a unit area

11. Wavefront – the line that joins all the peaks of a wave / a line that
joins all the points that are in phase on a wave

12. Transverse wave – a wave that travels perpendicularly to the


direction of vibration of the particles

13. Period of a wave – the time taken to generate one wave / the time
taken for any point on the wave to travel a distance of one
wavelength

14. Electric field – a region in which an electric charge experiences a


force

15. Current – rate of flow of charges


Definition
16. Electromotive force – work done by the electrical source to drive one
unit charge (1 C) around the complete circuit.

17. Potential difference across a component – work done to drive a unit


charge (1 C) across the component.

18. Resistance of a resistor – ratio of the potential difference across the


resistor to the current flowing through it.

19. Refractive index of a medium – the ratio of the speed of light in vacuum /
air to the speed of light in glass.

20. Critical angle – the angle of incidence in the optically denser medium for
which the angle of refraction in the less dense medium is 90o.

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