ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

Hertz is unit of:

Question # 2

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 3

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 4

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 # 5

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

Question # 6

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

Question # 7

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

Question # 8

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 9

The unit of spring constant is

Question # 10

The wave form of SHM is

Question # 11

In vibrational motion(SHM)

Question # 12

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

Question # 13

Which one of the following is an example of SHM

Question # 14

When a body is vibrating, the displacement from mean position:

Question # 15

The displacement of body executing SHM is

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 To and fro motion of a body is about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
2 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
3 If a given spring of spring constant K is cut into two identical segments, the spring constant of each segment is:
A. K/2
B. 2 K
C. 4 K
D. None of these
4 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
5 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
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 there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
8 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
9 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
10 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

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