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.
at sea level
at the top of Mt. Everest
at a place in a valley below sea level
in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
Correct answer is C
No explanation has been provided for this answer.
Intensity of sound at a point is ____ its distance from the source.
directly proportional to
inversely proportional to
directly proportional to square of
inversely proportional to square of
Correct answer is D
No explanation has been provided for this answer.
1.8 km, 0.15 km
2.2 km, 0.20 km
2.8 km, 0.25 km
3.3 km, 0.30 km
Correct answer is D
No explanation has been provided for this answer.
metals have higher thermal capacity than plastics
plastics have a lower density than metals
metals are good conductors of heat
plastics have a higher thermal conductivity than metals
Correct answer is C
No explanation has been provided for this answer.
Railway tracks are banked on curves
so necessary centrifugal force may be obtained from the horizontal component weight of the train
to avoid frictional force between the tracks and wheels
so necessary centripetal force may be obtained from the horizontal component of the weight of the train
so the train may not fly off in the opposite direction
Correct answer is C
No explanation has been provided for this answer.