Physics MCQs with Answers
In case of a simple pendulum, the cause of damping is__________________?
A. Drag force of air B. Gravity C. Tension in the string D. None of these
The energy absorbed by a body is __________________ at resonance?
A. Maximum as well minimum B. Minimum only C. Maximum only D. 0
The relativistic energy E is equivalent to relativistic mass given by_______________?
A. Ec2 B. E/c2 C. E/c D. c2/E
Which one of the following radiations has the strongest photon?
A. T.V waves B. Microwaves C. X-rays D. γ-rays
0.001 kg mass will be equivalent to_________________?
A. 2.50 GWh B. 25.00 GWh C. 0.26 GWh D. 250 GWh
Mark the wrong statement ?
A. a frame of reference which is either at rest or moves with a constant velocity is called an inertial frame of reference B. an un-accelerated frame of reference is called an inertial frame of reference C. all the frames of reference in uniform rectilinear motion are equivalent D. Newtons laws of motion are valid … Read more
An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?
A. greater than one meter B. less than one meter C. one meter D. a foolish question
Linear momentum of a photon is_______________?
A. zero B. hv/c2 C. hv/c D. c2/hv
The linear momentum of an X-ray photon of wavelength 0.1A is_______________?
A. 6.625x1023N-s B. 66.25x1023N-s C. 662.5x1023N-s D. data is insufficient