ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

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

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

Question # 2

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

Question # 3

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion

Question # 6

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

Question # 7

Velocity of particle executing SHM will be maximum at

Question # 8

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

Question # 9

The body oscillates due to _____ accelerates and overshoots the rest position due to______,:

Question # 10

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 11

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

Question # 12

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 13

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

Question # 14

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
2 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
3 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
4 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
5 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
6 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
7 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
8 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
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 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these

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