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.
In which of the following media does sound travel faster?
water
brass
air
wood
Correct answer is B
No explanation has been provided for this answer.
When white light passes through a triangular glass prism, there is dispersion because of
diffraction of light
polarisation of light
the difference in speed of the components of light
the interference of light waves in glass
Correct answer is C
No explanation has been provided for this answer.
3.75cm
4.00cm
15.00cm
16.00cm
Correct answer is A
No explanation has been provided for this answer.
A concave mirror can be used to produce a parallel beam of light if a lighted bulb is placed
between its focus and the pole
at its focus
at its centre of curvature
between its focus and centre of curvature
Correct answer is B
No explanation has been provided for this answer.
70o
80o
100o
120o
Correct answer is C
No explanation has been provided for this answer.