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

The wave form of SHM is

Question # 2

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 3

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

Question # 4

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 5

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

Question # 6

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

Question # 7

A spring of constant k = 0.4 N m-1is to be extended thorugh 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 8

Second's pendulum is the pendulum whose time period is:

Question # 9

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

Question # 10

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

Question # 11

In vibrational motion(SHM)

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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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 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
3 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
4 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
5 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
7 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
8 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
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 S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1

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