ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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

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ECAT Physics Chapter 7 Oscillations

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Question # 1

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

Question # 2

The restoring force is ______ amd opposite to the applied force within _____:

Question # 3

Which one of the following is an example of SHM:

Question # 4

To and from motion of a body about its mean position is known as:

Question # 5

The graph showing the variation of displacement with time is a

Question # 6

The displacement of body executing SHM is

Question # 7

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 8

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

Question # 9

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 10

The restoring force is ______ and opposite tot he applied force within ______

Question # 11

When quarter of a circle is completed, phase of vibration is:

Question # 12

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 13

Which one of the following is an example of SHM

Question # 14

An object undergoes SHM. Its maximum equilibrium positions:

Question # 15

In vibrational motion(SHM)

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
2 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
3 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
4 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
5 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
6 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
7 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
8 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
9 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
10 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f

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