ECAT Pre Engineering Physics Chapter 7 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 7 Oscillations

Try The 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

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

Question # 2

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

Question # 3

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Question # 4

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

Question # 5

The wave form of SHM is

Question # 6

Which of the following is an example of SHM(in ideal situations)

Question # 7

The unit of spring constant is

Question # 8

Acceleration of body executing SHM is always directed towards

Question # 9

The unit of spring constant is:

Question # 10

The displacement of body executing SHM is

Question # 11

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

Question # 12

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

Question # 13

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

Question # 14

Vibratory motion is always under

Question # 15

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

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
2 The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.
A. f
B. 2 f
C. 3 f
D. 1/2 f
3 A body with frequency would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second
4 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these
6 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:
A. 4 gms
B. 0.4 gm
C. 40 gms
D. None of these
7 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
8 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
9 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force
10 A body with frequency of would complete one vibration in:
A. f seconds
B. 1/f seconds
C. 1 second
D. f2second

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