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

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Question # 1

The unit of spring constant is:

Question # 2

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

Question # 3

Hertz is unit of:

Question # 4

If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:

Question # 5

Amplitude is the displacement of the vibrating body from:

Question # 6

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

Question # 7

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

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

Question # 10

A body with frequency would complete one vibration in:

Question # 11

The time taken to complete one vibration is called:

Question # 12

An object undergoes SHM. Its maximum equilibrium positions:

Question # 13

In vibrational motion(SHM)

Question # 14

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

Question # 15

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
3 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
4 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
5 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
6 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
8 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
9 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
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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