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

00:00
Question # 1

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 2

The SI unit of spring constant is identical with that of

Question # 3

The unit of spring constant is:

Question # 4

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

Question # 5

In SHM, the acceleration is ______ when velocity is _____:

Question # 6

The restoring force is always directed towards:

Question # 7

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

Question # 8

When a body is vibrating, the displacement from mean position

Question # 9

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 10

The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

Question # 11

The wave form of SHM is

Question # 12

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

Question # 13

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

Question # 14

SHM is type of ______ motion

Question # 15

The restoring force is ______ and opposite tot he applied force within ______

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
3 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
4 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
5 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
6 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
7 Which of the following is an example of SHM(in ideal situations)
A. Motion of simple pendulum
B. Motion of horizontal spring man system
C. Motion of violin string
D. All of these
8 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
9 The acceleration of body executing SHM is directly proportional to
A. Applied force
B. Amplitude
C. Displacement
D. Frictional force
10 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

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