# Entry Test MCQ :: Oscillations

1.  In vibratory motion
 A. P.E. remains constant B. K.E. remain constant C. total energy remain constant D. total momentum remain constant

2.  The waveform of S.H.M. is
 A. standing wave B. sine wave C. square wave D. none

3.  S.I unit of frequency is
 A. vibration S-2 B. radian C. hertz D. ms-1

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

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

6.  Total energy of a body executing S.H.M is directly proportional to
 A. square root of amplitude B. the amplitude C. reciprocal of amplitude D. square of amplitude

7.  The time period of a second pendulum is
 A. 4 seconds B. 3 seconds C. 2 seconds D. 6 seconds

8.  The length of second pendulum is
 A. 100 cm B. 99 cm C. 99.2 cm D. 98 cm

9.  If length of second pendulum becomes four times, then its time period will become
 A. four times B. six times C. eight times D. two times

10.  The force responsible for the vibratory motion of the simple pendulum is
 A. mg cos? B. mg sin? C. mg ton? D. mg