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

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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The string of a simple pendulum should be:

Question # 6

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

Question # 7

The acceleration of body executing SHM is directly proportional to

Question # 8

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

Question # 9

An object in SHM will have maximum speed when its displacement from equilibrium position is:

Question # 10

The unit of spring constant is

Question # 11

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

Question # 12

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Question # 13

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 14

Which one of the following is an example of SHM:

Question # 15

The graph showing the variation of displacement with time is a

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:
A. f
B. 2 f
C. 3 f
D. 1/2 f
3 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
4 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
5 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
6 The restoring force is ______ amd opposite to the applied force within _____:
A. Equal, elastic limit
B. Different, the walls of the laboratory
C. Different, elastic limit
D. None of these
7 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
8 The graph showing the variation of displacement with time is a:
A. Sine curve
B. Straight line
C. Parabola
D. None of these
9 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
10 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency

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