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 body oscillates due to ______ accelerates and overshoots the rest position due to _______

Question # 2

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 # 3

The graph showing the variation of displacement with time is a

Question # 4

A body with frequency would complete one vibration in:

Question # 5

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 6

The displacement of body executing SHM is

Question # 7

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

Question # 8

An oscillating body oscillates due to:

Question # 9

The unit of spring constant is

Question # 10

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

Question # 11

Acceleration of body executing SHM is always directed towards

Question # 12

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

Question # 13

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

Question # 14

A particle moving uniformly along circle its projection along diameter performs

Question # 15

Hertz is unit of:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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:
A. 1.5 sec
B. 2.0 sec
C. 2.3 sec
D. 2.5 sec
2 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
3 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
4 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
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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
6 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
7 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
8 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
9 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
10 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

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