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

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

Question # 2

The unit of spring constant is:

Question # 3

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

Question # 4

The unit of spring constant is

Question # 5

The wave form of SHM is

Question # 6

Vibratory motion is always under

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

SHM is type of ______ motion

Question # 12

The S.I unit of frequency is

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

A body with frequency would complete one vibration in:

Question # 17

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

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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 # 22

An oscillating body oscillates due to:

Question # 23

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 # 24

Acceleration of body executing SHM is always directed towards

Question # 25

A body with frequency of would complete one vibration in:

Question # 26

Which one of the following is an example of SHM

Question # 27

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

Question # 28

Amplitude in SHM is equivalent to ______ in circular motion

Question # 29

The acceleration of body executing SHM is directly proportional to

Question # 30

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
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 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
4 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
5 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
6 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
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 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
9 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave

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