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

Which of the following quantity for particle executing SHM is non-zero at mean position

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

SHM is type of ______ motion

Question # 6

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

Question # 7

Amplitude is the displacement of the vibrating body from:

Question # 8

The SI unit of spring constant is identical with that of

Question # 9

The unit of spring constant is

Question # 10

The acceleration of body executing SHM is directly proportional to

Question # 11

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

Question # 12

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

Question # 13

Which one of the following is an example of SHM:

Question # 14

If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:

Question # 15

An oscillating body oscillates due to:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
3 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
4 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these
5 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
6 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
7 The displacement of body executing SHM is
A. xocoswt
B. xosinwt
C. xosin2wt
D. Both A, B
8 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
9 An object in SHM will have maximum speed when its displacement from equilibrium position is:
A. Infinity
B. Maximum
C. Zero
D. Minimum
10 When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:
A. Increases
B. Decreases
C. Remains constant
D. None of these

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