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
The linear momentum of an X-ray photon of wavelength 0.1A is Read More »
Physics
Linear momentum of a photon is
A. zero
B. hv/c2
C. hv/c
D. c2/hv
Linear momentum of a photon is 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
0.001 kg mass will be equivalent to
A. 2.50 GWh
B. 25.00 GWh
C. 0.26 GWh
D. 250 GWh
0.001 kg mass will be equivalent to Read More »
Which one of the following radiations has the strongest photon?
A. T.V waves
B. Microwaves
C. X-rays
D. γ-rays
Which one of the following radiations has the strongest photon? Read More »
The energy absorbed by a body is _________ at resonance?
A. Maximum as well minimum
B. Minimum only
C. Maximum only
D. 0
The energy absorbed by a body is _________ at resonance? Read More »
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
In case of a simple pendulum, the cause of damping is Read More »
For a simple pendulum the restoring force is caused by
A. Gravity
B. Spring
C. Hand
D. All of these
For a simple pendulum the restoring force is caused by Read More »