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 time period of a simple pendulum is independent of its:

Question # 2

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

Question # 3

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

Question # 4

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 5

The graph showing the variation of displacement with time is a

Question # 6

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 # 7

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

Question # 8

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

Question # 9

A body with frequency would complete one vibration in:

Question # 10

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

Question # 11

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

Question # 12

SHM is type of ______ motion

Question # 13

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 14

A particle moving uniformly along circle its projection along diameter performs

Question # 15

An object undergoes SHM. Its maximum equilibrium positions:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
3 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
4 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
5 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
6 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
7 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
8 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
9 If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:
A. 1 cm
B. 1 m
C. 10 mm
D. None of these
10 If time period of a pendulum is doubled by increasing its length, then its frequency will
A. Also be doubled
B. Become half
C. Become one fourth
D. Becomes four times

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