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

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

Question # 2

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

Question # 3

The string of a simple pendulum should be:

Question # 4

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

Question # 5

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

Question # 6

The graph showing the variation of displacement with time is a:

Question # 7

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

Question # 8

Acceleration of body executing SHM is always directed towards

Question # 9

The unit of spring constant is:

Question # 10

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

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion

Question # 12

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

Question # 13

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

Question # 14

Velocity of particle executing SHM will be maximum at

Question # 15

The SI unit of spring constant is identical with that of

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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 indentical segments, the spring constant of each segment is:
A. k/2
B. 2 k
C. 4 k
D. None of these
2 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
3 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 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
5 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
6 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
7 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
8 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
9 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
10 The body oscillates due to ______ accelerates and overshoots the rest position due to _____:
A. Applied force , inertia
B. Restoring force, friction
C. Frictional force, inertia
D. Restoring force, inertia

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