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

Amplitude in SHM is equivalent to ______ in circular motion

Question # 2

Hertz is unit of:

Question # 3

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

Question # 4

The S.I unit of frequency is

Question # 5

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

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

Amplitude is the displacement of the vibrating body from:

Question # 8

An object undergoes SHM. Its maximum equilibrium positions:

Question # 9

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

Question # 10

An oscillating body oscillates due to:

Question # 11

A particle moving uniformly along circle its projection along diameter performs

Question # 12

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

Question # 13

A body with frequency of would complete one vibration in:

Question # 14

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

Question # 15

Free oscillations are always produced by:

Question # 16

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

Question # 17

The SI unit of spring constant is identical with that of

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

The unit of spring constant is:

Question # 23

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

Question # 24

Acceleration of body executing SHM is always directed towards

Question # 25

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

Question # 26

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

Question # 27

Which of the following is an example of SHM(in ideal situations)

Question # 28

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

Question # 29

The wave form of SHM is

Question # 30

An angle of 180° in circular motion is equivalent to ______ in SHM.

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
3 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
4 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
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 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
7 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
9 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
10 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement

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