ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

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

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Physics ECAT Pre Engineering Chapter 7 Oscillations

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Question # 1

When a body is vibrating, the displacement from mean position

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Amplitude is the displacement of the vibrating body from:

Question # 7

Free oscillations are always produced by:

Question # 8

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

Question # 9

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

Question # 10

Amplitude in SHM is equivalent to ______ in circular motion

Question # 11

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

Question # 12

SHM is type of ______ motion

Question # 13

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

Question # 14

A body with frequency of would complete one vibration in:

Question # 15

The unit of spring constant is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
2 The time period of a simple pendulum is independent of its:
A. Length
B. Mass
C. Value of g
D. Both A and B
3 If a force of 0.05 N produces an elongation of 20 mm in a 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
4 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
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 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
7 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
8 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
9 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
10 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these

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