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

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

Question # 2

An object undergoes SHM. Its maximum equilibrium positions:

Question # 3

The unit of spring constant is

Question # 4

Which one of the following is an example of SHM:

Question # 5

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

Question # 6

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

Question # 7

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 8

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

Question # 9

The unit of spring constant is:

Question # 10

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

Question # 11

The restoring force is always directed towards:

Question # 12

The displacement of body executing SHM is

Question # 13

When a body is vibrating, the displacement from mean position

Question # 14

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment 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 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
2 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
3 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
4 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
5 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
6 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
7 A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
8 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
9 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
10 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period

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