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

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

Question # 2

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

Question # 3

The restoring force is ______ amd opposite to the applied force within _____:

Question # 4

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

Question # 5

Amplitude in SHM is equivalent to ______ in circular motion:

Question # 6

If a mass of 10 gm is suspended from a spring of k = 9.8 Nm-1, then the extension will be:

Question # 7

The displacement of body executing SHM is

Question # 8

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Question # 9

Amplitude is the displacement of the vibrating body from:

Question # 10

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

Question # 11

Amplitude in SHM is equivalent to ______ in circular motion

Question # 12

Which one of the following is an example of SHM

Question # 13

Which of the following forces is responsible for SHM

Question # 14

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

Question # 15

Vibratory motion is always under

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ECAT Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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
2 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
3 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
4 Which one of the following is an example of SHM:
A. Motion in a plane
B. Motion in a swing
C. Motion in a car
D. None of these
5 The body oscillates due to ______ accelerates and overshoots the rest position due to _______
A. Applied force, Inertia
B. Restoring force, Friction
C. Frictional force, Inertia
D. Restoring force, Inertia
6 If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:
A. 2500 MHz
B. 0.25 MHz
C. 2500 KHz
D. None of these
7 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
8 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
9 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
10 Vibratory motion is always under
A. Applied force
B. Restoring force
C. Periodic force
D. Gravitational force

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