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

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

Question # 2

The restoring force is always directed towards:

Question # 3

Which one of the following is an example of SHM

Question # 4

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

Question # 5

The string of a simple pendulum should be:

Question # 6

Vibratory motion is always under

Question # 7

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

Question # 8

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

Question # 9

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 # 10

The acceleration of body executing SHM is directly proportional to

Question # 11

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

Question # 12

In SHM, there is always a constant ratio between displacement if body and its:

Question # 13

Velocity of particle executing SHM will be maximum at

Question # 14

The wave form of SHM is

Question # 15

The maximum distance of body from mean position when body is executing SHM is called

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these
2 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
3 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
4 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
5 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
7 If a force of 0.05 N produces an elongation of 20 mm in 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
8 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
9 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
10 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°

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