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

The displacement of body executing SHM is

Question # 2

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

Question # 3

An oscillating body oscillates due to:

Question # 4

Amplitude in SHM is equivalent to ______ in circular motion

Question # 5

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

Question # 6

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

Question # 7

Hertz is unit of:

Question # 8

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

Question # 9

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

Question # 10

The wave form of SHM is

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 12

The restoring force is ______ and opposite tot he applied force within ______

Question # 13

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

Question # 14

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

Question # 15

The unit of spring constant is

Question # 16

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 17

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 18

The restoring force is always directed towards:

Question # 19

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

Question # 20

The S.I unit of frequency is

Question # 21

The unit of spring constant is:

Question # 22

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

Question # 23

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

Question # 24

Velocity of particle executing SHM will be maximum at

Question # 25

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

Question # 26

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 # 27

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

Question # 28

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

Question # 29

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 # 30

Amplitude in SHM is equivalent to_____ in circular motion:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
2 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
3 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
4 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
5 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
6 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
7 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
8 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
10 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

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