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

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

Question # 2

Acceleration of body executing SHM is always directed towards

Question # 3

The SI unit of spring constant is identical with that of

Question # 4

The wave form of SHM is

Question # 5

The displacement of body executing SHM is

Question # 6

A body with frequency of would complete one vibration in:

Question # 7

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

Question # 8

The unit of spring constant is:

Question # 9

Amplitude is the displacement of the vibrating body from:

Question # 10

The time taken to complete one vibration is called:

Question # 11

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 # 12

The S.I unit of frequency is

Question # 13

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

Question # 14

The maximum distance of body from mean position when body is executing SHM is called

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
2 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
3 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
4 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these
5 If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:
A. 10 cm
B. 1 m
C. 10 mn
D. None of these
6 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
7 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
8 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
9 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
10 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency

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