ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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

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ECAT Physics Chapter 7 Oscillations

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Question # 1

Vibratory motion is always under

Question # 2

Which one of the following is an example of SHM:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

A body with frequency would complete one vibration in:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these
2 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
3 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
4 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
5 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
7 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
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 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion

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