1. In vibratory motion
A. P.E. remains constant
B. K.E. remain constant
C. total energy remains constant
D. total momentum remains constant
✅ The correct answer is option C.
Oscillations MCQs
2. The waveform of S.H.M. is
A. Standing wave
B. Sine wave
C. Square wave
D. None
✅ The correct answer is option B.
3. S.I unit of frequency is
A. Vibration S-2
B. Radian
C. Hertz
D. ms-1
✅ The correct answer is option C.
4. 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
✅ The correct answer is option A.
5. The acceleration of a projection on the diameter for a particle moving along a circle is
A. w2x
B. wx2
C. w2x
D. wx2
✅ The correct answer is option C.
6. 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
✅ The correct answer is option D.
7. The time period of a second pendulum is
A. 4 seconds
B. 3 seconds
C. 2 seconds
D. 6 seconds
✅ The correct answer is option C.
8. The length of the second pendulum is
A. 100 cm
B. 99 cm
C. 99.2 cm
D. 98 cm
✅ The correct answer is option C.
9. 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
✅ The correct answer is option D.
10. The force responsible for the vibratory motion of the simple pendulum is
A. mg cosθ
B. mg sinθ
C. mg tonθ
D. mg
✅ The correct answer is option B.