ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

The acceleration of body executing SHM is directly proportional to

Question # 2

Free oscillations are always produced by:

Question # 3

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

Question # 4

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

Question # 5

A body with frequency would complete one vibration in:

Question # 6

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 7

The time taken to complete one vibration is called:

Question # 8

Amplitude in SHM is equivalent to ______ in circular motion

Question # 9

Hertz is unit of:

Question # 10

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

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

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

Question # 13

The unit of spring constant is

Question # 14

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 # 15

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

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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 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
3 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
4 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
5 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
7 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
8 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
9 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
10 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave

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