ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

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

Question # 2

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 5

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 # 6

The unit of spring constant is:

Question # 7

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

Question # 8

The unit of spring constant is

Question # 9

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

Question # 10

The time period of a simple pendulum is independent of its:

Question # 11

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

Question # 12

The wave form of SHM is

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
2 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
3 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
4 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
5 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
6 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
7 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
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 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
10 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest

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