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 SI unit of spring constant is identical with that of

Question # 2

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

Question # 3

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

Question # 4

Which one of the following is an example of SHM:

Question # 5

SHM is type of ______ motion

Question # 6

The string of a simple pendulum should be:

Question # 7

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 # 8

In SHM, there is always a constant ratio between displacement if body and its:

Question # 9

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 10

When a body is vibrating, the displacement from mean position

Question # 11

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

Question # 12

A body with frequency of would complete one vibration in:

Question # 13

The wave form of SHM is

Question # 14

Acceleration of body executing SHM is always directed towards

Question # 15

The time taken to complete one vibration is called:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
2 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
3 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
4 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
5 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
6 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
7 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
8 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
9 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
10 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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