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

Question # 2

A body with frequency of would complete one vibration in:

Question # 3

The time period of a simple pendulum is independent of its:

Question # 4

The unit of spring constant is

Question # 5

Which one of the following is an example of SHM:

Question # 6

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

Question # 7

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Which one of the following is an example of SHM

Question # 18

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

Question # 19

Which of the following forces is responsible for SHM

Question # 20

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

Question # 21

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

Question # 22

The time taken to complete one vibration is called:

Question # 23

The acceleration of body executing SHM is directly proportional to

Question # 24

An object undergoes SHM. Its maximum equilibrium positions:

Question # 25

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

Question # 26

The S.I unit of frequency is

Question # 27

The displacement of body executing SHM is

Question # 28

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

Question # 29

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

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times
2 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
3 A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
4 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
5 If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
6 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
7 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 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
9 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
10 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

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