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

In SHM, the acceleration is ______ when velocity is _____:

Question # 2

The unit of spring constant is:

Question # 3

Amplitude is the displacement of the vibrating body from:

Question # 4

Acceleration of body executing SHM is always directed towards

Question # 5

An oscillating body oscillates due to:

Question # 6

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Question # 7

A body with frequency of would complete one vibration in:

Question # 8

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

Question # 9

In vibrational motion(SHM)

Question # 10

The graph showing the variation of displacement with time is a:

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
2 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
3 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
4 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
5 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
6 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
7 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
8 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
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 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B

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