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

00:00
Question # 1

SHM is type of ______ motion

Question # 2

Acceleration of body executing SHM is always directed towards

Question # 3

The body oscillates due to ______ accelerates and overshoots the rest position due to _____:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

When a body is vibrating, the displacement from mean position:

Question # 8

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

Question # 9

The unit of spring constant is

Question # 10

An angle of 180° in circular motion is equivalent to ______ in SHM.

Question # 11

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:

Question # 12

The unit of spring constant is:

Question # 13

A particle is moving along a circular path with uniform speed. Its projection will execute ___along the _____ of the circle:

Question # 14

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

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 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
3 The body oscillates due to _____ accelerates and overshoots the rest position due to______,:
A. Applied force, inertial
B. Restoring force, friction
C. Frictional force, inertial
D. Restoring force, inertial
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 If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:
A. 3 K
B. 2 K
C. K/4
D. K/3
6 If a force of 0.05 N produces an elongation of 20 mm in a 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
7 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
8 A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:
A. Circular motion, circumference
B. Vibrator, chord
C. SHM, diameter
D. SHM, circumference
9 An object undergoes SHM. Its maximum equilibrium positions:
A. Maximum
B. Half of its maximum value
C. Zero
D. None
10 When a body is vibrating, the displacement from mean position
A. Increases with time
B. Decreases with time
C. Changes with time
D. None of these

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