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 mass of 10 gm is suspended from a spring of K=0.8 Nm-1then the extension will be:

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

The maximum distance of body from mean position when body is executing SHM is called

Question # 6

A particle moving uniformly along circle its projection along diameter performs

Question # 7

Vibratory motion is always under

Question # 8

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 # 9

The acceleration of body executing SHM is directly proportional to

Question # 10

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

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

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

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 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
2 Hertz is unit of:
A. Time period
B. Displacement
C. Amplitude
D. Frequency
3 Amplitude in SHM is equivalent to_____ in circular motion:
A. Diameter
B. Radius
C. Circumference
D. None of these
4 When quarter of a cycle is completed, the phase of vibration is:
A. 90°
B. 180°
C. 45°
D. 360°
5 The SI unit of spring constant is identical with that of:
A. Force
B. Surface tension
C. Pressure
D. Loudness
6 Which of the following quantity for particle executing SHM is non-zero at mean position
A. Force
B. Acceleration
C. Velocity
D. Displacement
7 An angle of 180° in circular motion is equivalent to ______ in SHM.
A. Half the vibration
B. One vibration
C. 3/4th of a vibration
D. None of these
8 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
9 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:
A. 4 gms
B. 0.4 gms
C. 40 gms
D. None of these
10 The string of a simple pendulum should be:
A. Heavy
B. Extensible
C. In-extensible
D. None of these

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