ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

00:00
Question # 1

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 2

The S.I unit of frequency is

Question # 3

Which of the following is an example of SHM(in ideal situations)

Question # 4

The SI unit of spring constant is identical with that of:

Question # 5

When a body is vibrating, the displacement from mean position

Question # 6

The unit of spring constant is

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

When a body is vibrating, the displacement from mean position:

Question # 9

The time period of a simple pendulum is independent of its:

Question # 10

The body oscillates due to ______ accelerates and overshoots the rest position due to _____:

Question # 11

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 12

The time taken to complete one vibration is called:

Question # 13

Velocity of particle executing SHM will be maximum at

Question # 14

The restoring force is always directed towards:

Question # 15

Free oscillations are always produced by:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
2 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
3 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
4 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
5 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
7 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
8 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
9 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
10 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A

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