ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

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

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:

Question # 2

Which of the following forces is responsible for SHM

Question # 3

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

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 6

When quarter of a cycle is completed, the phase of vibration is:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Which of the following is an example of SHM(in ideal situations)

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 12

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

Question # 13

The body oscillates due to ______ accelerates and overshoots the rest position due to _______

Question # 14

The unit of spring constant is:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
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 time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
4 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
5 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
7 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
8 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
9 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
10 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

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