ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

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

Question # 2

Vibratory motion is always under

Question # 3

Acceleration of body executing SHM is always directed towards

Question # 4

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

Question # 5

The restoring force is always directed towards:

Question # 6

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

Question # 7

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

Question # 8

SHM is type of ______ motion

Question # 9

When a body is vibrating, the displacement from mean position

Question # 10

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 # 11

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

Question # 12

The unit of spring constant is

Question # 13

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

Question # 14

Free oscillations are always produced by:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
3 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
4 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
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 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
7 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
8 When a body is vibrating, the displacement from mean position:
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these
9 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
10 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

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