ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

A spring of constant k = 0.4 N m-1is to be extended through 10 cm at a place where g = 10 m sec-2. The mass to be suspended should be:

Question # 2

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

Question # 3

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

Question # 4

Which of the following forces is responsible for SHM

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion

Question # 6

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

Question # 7

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

Question # 8

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 9

A body with frequency of would complete one vibration in:

Question # 10

Amplitude is the displacement of the vibrating body from:

Question # 11

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:

Question # 12

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

Question # 13

Which one of the following is an example of SHM

Question # 14

The SI unit of spring constant is identical with that of:

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
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 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
4 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
5 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
6 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
7 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
8 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
9 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
10 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

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