Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

2,121.

In which of the following media does sound travel faster?

A.

water

B.

brass

C.

air

D.

wood

Correct answer is B

No explanation has been provided for this answer.

2,122.

When white light passes through a triangular glass prism, there is dispersion because of

A.

diffraction of light

B.

polarisation of light

C.

the difference in speed of the components of light

D.

the interference of light waves in glass

Correct answer is C

No explanation has been provided for this answer.

2,123.

A simple microscope forms an image 10cm from an eye close to the lens. If the object is 6cm from the eye, calculate the focal length of the lens

A.

3.75cm

B.

4.00cm

C.

15.00cm

D.

16.00cm

Correct answer is A

No explanation has been provided for this answer.

2,124.

A concave mirror can be used to produce a parallel beam of light if a lighted bulb is placed

A.

between its focus and the pole

B.

at its focus

C.

at its centre of curvature

D.

between its focus and centre of curvature

Correct answer is B

No explanation has been provided for this answer.