Physics
Oscillation
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#153 The total energy of a body executing S.H.M is E. The K.E. when the displacement is half of the amplitude is
A) \(\frac{E}{2}\)
B) \(\frac{3E}{4}\)
C) \(\frac{E}{3}\)
D) \(\frac{E}{4}\)
#154 The time period of a second’s pendulum is
A) 4 seconds
B) 3 seconds
C) 2 seconds
D) 6 seconds
#155 The length of second’s pendulum is nearly
A) 0.5 m
B) 9.8 m
C) 1.0 m
D) 2.0 m
#156 If the length of second’s pendulum is increased by 2% how many seconds it will lose per day?
A) 3427 sec
B) 3727 sec
C) 3927 sec
D) 864 sec
#157 The wave form of S.H.M is
A) Standing wave
B) Sine wave
C) Square wave
D) None
#158 The acceleration of a projection on the diameter for a particle moving along a circle is
A) \(\omega^2 x\)
B) \(\omega x^2\)
C) \(-\omega^2 x\)
D) \(-\omega x^2\)
#159 The phase of SHM describes
A) Displacement only
B) Direction of motion only
C) Both displacement and direction of motion
D) Neither displacement nor direction of motion
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