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

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

Question # 2

Hertz is unit of:

Question # 3

Velocity of particle executing SHM will be maximum at

Question # 4

The string of a simple pendulum should be:

Question # 5

The graph showing the variation of displacement with time is a:

Question # 6

A body with frequency of would complete one vibration in:

Question # 7

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 8

In vibrational motion(SHM)

Question # 9

If a given spring of spring constant k is cut into two indentical segments, the spring constant of each segment is:

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The graph showing the variation of displacement with time is a

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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 Acceleration of body executing SHM is always directed towards
A. Extreme position
B. Mean position
C. Along the direction of motion
D. None
3 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
4 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
5 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A
6 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
7 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
8 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
9 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
10 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force

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