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

If time period of a pendulum is doubled by increasing its length, then its frequency will

Question # 2

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

Question # 3

The displacement of body executing SHM is

Question # 4

Vibratory motion is always under

Question # 5

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

Question # 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:

Question # 7

An oscillating body oscillates due to:

Question # 8

A body with frequency would complete one vibration in:

Question # 9

The restoring force is always directed towards:

Question # 10

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

Question # 11

The SI unit of spring constant is identical with that of

Question # 12

Velocity of particle executing SHM will be maximum at

Question # 13

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

Question # 14

Amplitude in SHM is equivalent to ______ in circular motion:

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 The wave form of SHM is
A. Pulsed wave
B. Square wave
C. Triangular waved
D. Sine wave
2 SHM is type of ______ motion
A. Vibratory
B. Linear
C. Circular
D. None
3 A particle moving uniformly along circle its projection along diameter performs
A. Linear motion
B. Projectile motion
C. SHM
D. Rotatory motion
4 When quarter of a circle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The maximum distance of body from mean position when body is executing SHM is called
A. Time period
B. Displacement
C. Amplitude
D. Frequency
6 Free oscillations are always produced by:
A. An applied force
B. Gravitational force
C. Restoring force and inertia
D. Inertia only
7 Which of the following forces is responsible for SHM
A. Applied force
B. Restoring force
C. Fractional force
D. Elastic force
8 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
9 Velocity of particle executing SHM will be maximum at
A. Extreme position
B. Mean position
C. b/w mean and extreme
D. None
10 Amplitude in SHM is equivalent to ______ in circular motion
A. Diameter
B. Radius
C. Circumference
D. None of these

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