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

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 2

Hertz is unit of:

Question # 3

The SI unit of spring constant is identical with that of

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

In SHM, there is always a constant ratio between displacement if body and its:

Question # 6

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

Question # 7

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

Question # 8

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 9

In vibrational motion(SHM)

Question # 10

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

Question # 11

Amplitude is the displacement of the vibrating body from:

Question # 12

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

Question # 13

A body with frequency of would complete one vibration in:

Question # 14

The acceleration of body executing SHM is directly proportional to

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 Amplitude is the displacement of the vibrating body from:
A. One extreme position to the other extreme position
B. Mean position any one extreme position
C. Both A and B are correct
D. None of these
4 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
5 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
6 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
7 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
8 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
9 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
10 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these

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