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

An object undergoes SHM. Its maximum equilibrium positions:

Question # 2

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

Question # 3

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 4

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

Question # 5

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

Question # 6

The unit of spring constant is

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

The SI unit of spring constant is identical with that of

Question # 11

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

Question # 12

Amplitude in SHM is equivalent to ______ in circular motion

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

Vibratory motion is always under

Question # 15

Amplitude in SHM is equivalent to ______ in circular motion:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
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 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
4 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
5 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
6 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
7 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
8 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
9 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
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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