ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

Which one of the following is an example of SHM

Question # 2

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

Question # 3

Second's pendulum is the pendulum whose time period is:

Question # 4

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 5

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

Question # 6

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

Question # 7

An oscillating body oscillates due to:

Question # 8

The acceleration of body executing SHM is directly proportional to

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

Amplitude in SHM is equivalent to ______ in circular motion

Question # 13

The graph showing the variation of displacement with time is a

Question # 14

The string of a simple pendulum should be:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
2 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
3 The restoring force is _____ and 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
4 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
5 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
6 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
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 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
9 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
10 A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these

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