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.
Which of the following cannot be used to measure the temperature of a substance?
variation of pressure with temperature
expansivity of a liquid
change in resistance of a conductor
thermometric effect
change in color with temperature
Correct answer is E
No explanation has been provided for this answer.
are in constant state of motion
have different speed
have a temperature which is an average measure of the kinetic energy
have no intermolecular attractive force
have a pressure which is determined by the number of molecules present
Correct answer is D
No explanation has been provided for this answer.
The motion of a body is simple harmonic if the
Acceleration is always directed towards a fixed point
path of motion is a striaght line
Acceleration is directed towards a fixed point and proportional to its distance from the point
Acceleration is proportional to the square of the distance from a fixed point
Acceleration is constant and directed towards a fixed point
Correct answer is C
No explanation has been provided for this answer.
V = ωr
V = ω2r
V = ωr2
V2 = ωr
V = ω/r
Correct answer is A
No explanation has been provided for this answer.
2.5s
5.0s
10.0s
15.0s
20.0s
Correct answer is C
Time to move up:
V = U - gt
0 = 50 - 10t
t = 5.
Total time spent on air = 2t = 10.0s