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 SI unit of spring constant is identical with that of:

Question # 2

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

Question # 3

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

Question # 4

Amplitude is the displacement of the vibrating body from:

Question # 5

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

Question # 6

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:

Question # 7

Which of the following forces is responsible for SHM

Question # 8

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

Question # 9

A body with frequency would complete one vibration in:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

Acceleration of body executing SHM is always directed towards

Question # 14

The wave form of SHM is

Question # 15

An oscillating body oscillates due to:

Question # 16

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

Question # 17

Which one of the following is an example of SHM

Question # 18

The acceleration of body executing SHM is directly proportional to

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The graph showing the variation of displacement with time is a

Question # 23

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

Question # 24

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

Question # 25

Amplitude in SHM is equivalent to ______ in circular motion

Question # 26

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

Question # 27

An object undergoes SHM. Its maximum equilibrium positions:

Question # 28

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 # 29

Which one of the following is an example of SHM:

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 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
2 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
3 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
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 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 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
7 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
9 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
10 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

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