431. The waveform of S.H.M. is________________?
A. Standing wave
B. Sine wave
C. Square wave
D. None

432. S.I unit of frequency is_________________?
A. Vibration S-2
B. Radian
C. Hertz
D. ms-1

433. In S.H.M. the velocity of a particle is maximum at________________?
A. mean position
B. extreme position
C. middle between the mean and extreme position on the right side
D. middle between the mean and extreme position on the left side

434. The acceleration of a projection on the diameter for a particle moving along a circle is_______________?
A. w2x
B. wx2
C. w2x
D. wx2

435. The total energy of a body executing S.H.M is directly proportional to________________?
A. The square root of amplitude
B. The amplitude
C. Reciprocal of amplitude
D. Square of an amplitude

436. The time period of a second pendulum is______________?
A. 4 seconds
B. 3 seconds
C. 2 seconds
D. 6 seconds

437. The length of the second pendulum is________________?
A. 100 cm
B. 99 cm
C. 99.2 cm
D. 98 cm

438. If the length of the second pendulum becomes four times, then its time period will become________________?
A. 4 times
B. 6 times
C. 8 times
D. 2 times

439. The force responsible for the vibratory motion of the simple pendulum is_________________?
A. mg cosθ
B. mg sinθ
C. mg tonθ
D. mg

440. The frequency of the second pendulum is________________?
A. 1 hertz
B. 0.5 hertz
C. 1.5 hertz
D. 2.5 hertz

NOTE
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