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

Hertz is unit of:

Question # 2

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

Question # 3

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

Question # 4

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 5

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

Question # 6

The unit of spring constant is

Question # 7

The displacement of body executing SHM is

Question # 8

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

Question # 9

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

Question # 10

The wave form of SHM is

Question # 11

The time taken to complete one vibration is called:

Question # 12

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

Question # 13

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:

Question # 14

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

Question # 15

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:

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
2 The restoring force is always directed towards:
A. Rest position
B. Equilibrium position
C. Mean position
D. All of them
3 When quarter of a circle is completed, phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
4 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 If a force of 0.05 N produces an elongation of 20 mm in string, then its spring constant will be:
A. 250 N m-1
B. 25 N m-1
C. 2.5 N m-1
D. None of these
6 In vibrational motion(SHM)
A. P.E remains conserved
B. Average K.E remain constant
C. Neither P.E nor K.E remains constant
D. Total energy remains constant
7 The unit of spring constant is:
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
9 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
10 Distance covered during one vibration of an oscillating body in terms of amplitude A is:
A. A
B. 2 A
C. 3 A
D. 4 A

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