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.
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.
When a ray of light is incident normally on an air- glass interface, its angle of refraction is
0o
42o
45o
60o
90o.
Correct answer is A
No explanation has been provided for this answer.
1.63
1.50
1.33
1.25
0.08
Correct answer is D
No explanation has been provided for this answer.
89.0ms-1
6.0ms-1
4.5ms-1
1.5ms-1
0.0ms-1
Correct answer is B
Velocity of image w.r.t boy = velocity of object - velocity of image
velocity w.r.t to boy = v - (-v)
=3.0 - (-3.0)
The image velocity is 6 m/s towards the boy.
20o
40o
50o
80o
100o.
Correct answer is D
No explanation has been provided for this answer.
In which of the following media would sound waves travel fastest?
Kerosine
Alcohol
Water
lron
Air
Correct answer is D
No explanation has been provided for this answer.