ECAT Pre Computer Science Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 7 Oscillations

Try The MCQ's Test For ECAT Physics Chapter 7 Oscillations

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ECAT Physics Chapter 7 Oscillations

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Question # 1

The wave form of SHM is

Question # 2

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 # 3

Hertz is unit of:

Question # 4

Acceleration of body executing SHM is always directed towards

Question # 5

If mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 6

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

Question # 7

A body with frequency of would complete one vibration in:

Question # 8

When a body is vibrating, the displacement from mean position

Question # 9

Vibratory motion is always under

Question # 10

SHM is type of ______ motion

Question # 11

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

Question # 12

Amplitude in SHM is equivalent to_____ in circular motion:

Question # 13

The time period of a simple pendulum is independent of its:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The S.I unit of frequency is
A. Vibrations s-2
B. Ms-1
C. Hertz
D. s-1
2 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
3 The restoring force is ______ and opposite tot he applied force within ______
A. Equal, Elastic limit
B. Different, The walls of the laboratory
C. Different, Elastic limit
D. None of these
4 The time taken to complete one vibration is called:
A. Frequency
B. Amplitude
C. Time
D. Time period
5 To and from motion of a body about its mean position is known as:
A. Translatory motion
B. Vibratory motion
C. Rotatory motion
D. None of these
6 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
7 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
8 A particle executes SHM with frequency. The frequency with which its K.E oscillates is
A. f/2
B. 2f
C. f
D. 4f
9 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
10 The graph showing the variation of displacement with time is a
A. Sine curve
B. Straight line
C. Parabola
D. None of these

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