ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

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ECAT Pre General Science Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

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

Question # 3

A body with frequency would complete one vibration in:

Question # 4

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

Question # 5

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

Question # 6

An oscillating body oscillates due to:

Question # 7

A body with frequency of would complete one vibration in:

Question # 8

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

Question # 9

The unit of spring constant is

Question # 10

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

Question # 11

The time taken to complete one vibration is called:

Question # 12

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 13

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 # 14

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

Question # 15

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

Question # 16

The wave form of SHM is

Question # 17

SHM is type of ______ motion

Question # 18

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

Vibratory motion is always under

Question # 23

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 24

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

Question # 25

The acceleration of body executing SHM is directly proportional to

Question # 26

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 27

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 28

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
3 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
4 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 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
6 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
7 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
8 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
9 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
10 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these

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