ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

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

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 2

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

Question # 3

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

Question # 4

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

Question # 5

The time taken to complete one vibration is called:

Question # 6

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

Question # 7

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

Question # 8

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 # 9

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

Question # 10

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

Question # 11

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

Question # 12

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

Question # 13

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

Question # 14

The wave form of SHM is

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
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 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
4 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
5 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
6 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
7 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
8 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
9 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
10 An oscillating body oscillates due to:
A. Applied force
B. Restoring force
C. Frictional force
D. None of these

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