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

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

Question # 2

Acceleration of body executing SHM is always directed towards

Question # 3

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

Question # 4

An oscillating body oscillates due to:

Question # 5

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 6

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

Question # 7

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 # 8

Which one of the following is an example of SHM:

Question # 9

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

Question # 10

Amplitude in SHM is equivalent to ______ in circular motion

Question # 11

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 12

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

Question # 13

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

Question # 14

A particle moving uniformly along circle its projection along diameter performs

Question # 15

Vibratory motion is always under

Question # 16

A body with frequency of would complete one vibration in:

Question # 17

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 # 18

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

Question # 19

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 20

The wave form of SHM is

Question # 21

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

Question # 22

The maximum distance of body from mean position when body is executing SHM is called

Question # 23

The acceleration of body executing SHM is directly proportional to

Question # 24

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 25

SHM is type of ______ motion

Question # 26

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

Question # 27

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

Question # 28

The unit of spring constant is:

Question # 29

An object undergoes SHM. Its maximum equilibrium positions:

Question # 30

The displacement of body executing SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
2 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
3 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
4 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
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 mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
7 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
8 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
9 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
10 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum

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