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

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 # 2

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

Question # 3

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

Question # 4

The wave form of SHM is

Question # 5

The restoring force is always directed towards:

Question # 6

The string of a simple pendulum should be:

Question # 7

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

Question # 8

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 # 9

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

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

The acceleration of body executing SHM is directly proportional to

Question # 14

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

Question # 15

Which one of the following is an example of SHM:

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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 Amplitude in SHM is equivalent to ______ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
3 Second's pendulum is the pendulum whose time period is:
A. 1 second
B. 2 second
C. 3 second
D. None of these
4 The SI unit of spring constant is identical with that of
A. Force
B. Surface tension
C. Pressure
D. Loudness
5 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
6 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
7 The unit of spring constant is
A. J-sec
B. Metre
C. Nm-1
D. None of these
8 In SHM, the acceleration is ______ when velocity is _____:
A. Zero, smallest
B. Smallest, zero
C. Zero, zero
D. Zero, greatest
9 In SHM, there is always a constant ratio between displacement if body and its:
A. Velocity
B. Period
C. Mass
D. Acceleration
10 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

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