Science Physics Definition Test. What is the definition of 1.Scalar 2.Vector 3.Uniform acceleration 4.Velocity 5.Mass 6.Weight 7.Gravitational field 8.Gravitational.

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Presentation transcript:

Science Physics Definition Test

What is the definition of 1.Scalar 2.Vector 3.Uniform acceleration 4.Velocity 5.Mass 6.Weight 7.Gravitational field 8.Gravitational field strength 9.Pressure 10.Wavefront 11.Transverse wave 12.Period of a wave 13.Electric field 14.Current 15.Electromotive force 16.Potential difference across a component 17.Resistance of a resistor 18.Refractive index of glass 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 90 o.