Stopping potential for a metal surface in case of photoelectric emission depends on_____________?

A. The threshold frequency for the metal surface
B. The intensity of incident light
C. The frequency of incident light and work function of the metal surface
D. All of the above

The existence of Ether wind was experimentally rejected by__________________?

A. Equal to its rest mass
B. Double of its rest mass
C. Infinite
D. Zero

Electrical resonance is observed in_______________?

A. Radio
B. Microwave oven
C. Both in radio and microwave oven
D. Neither in radio nor in a microwave oven

Total distance travelled by a bob of the simple pendulum in one vibration is equal to________________?

A. Amplitude
B. Square of the amplitude
C. 2 x amplitude
D. 4 x amplitude

When K.E energy of SHM is maximum its__________________?

A. P.e is zero
B. Acceleration is zero
C. Restoring force is zero
D. All p.e acceleration and restoring force are zero

In damped harmonic oscillation which one decreases ?

A. Amplitude of vibration
B. Energy of vibration
C. Both amplitude and energy
D. Neither amplitude nor energy

Forced vibration is known as_____________________?

A. Simple harmonic vibration
B. Natural vibration
C. Driven harmonic vibration
D. Free vibration

The mass attached to a spring executes ?

A. Vibratory motion
B. Rotatory motion
C. S.h.m
D. Both a and c

At Murree Hills (Assume the value of g changes). If we use a simple pendulum as time standard then one-second duration will_____________?

A. Increase
B. Decrease
C. Remains the same
D. Is zero

The velocity of the mass attached to a spring is maximum at_______________?

A. Mean position
B. Extreme position
C. Both a and b
D. None