ECAT Pre General Science Chapter 7 online mcq test with answers for Physics chapter 7 (Oscillation)

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ECAT Physics Chapter 7 Important MCQ's

Sr.#	Question	Answer
1	The SI unit of spring constant is identical with that of	A. Force B. Surface tension C. Pressure D. Loudness
2	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
3	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
4	When quarter of a circle is completed, phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
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	The number of vibration in two seconds can be expressed as ______ of frequency of vibration is f:	A. f B. 2 f C. 3 f D. 1/2 f
7	Amplitude is the displacement of the vibrating body from:	A. One extreme position to the other extreme position B. Mean position any one extreme position C. Both A and B are correct D. None of these
8	If time period of a pendulum is doubled by increasing its length, then its frequency will	A. Also be doubled B. Become half C. Become one fourth D. Becomes four times
9	The unit of spring constant is	A. J-sec B. Metre C. Nm^-1 D. None of these
10	A body with frequency of would complete one vibration in:	A. f seconds B. 1/f seconds C. 1 second D. f²second

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ECAT Pre General Science Physics Chapter 7 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 7 Oscillations

ECAT Pre General Science Physics Chapter 7 Oscillations

Which one of the following is an example of SHM

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

The number of vibration in two seconds can be expressed as______ of frequency of vibration is f:

The string of a simple pendulum should be:

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

A particle executes SHM with frequency. The frequency with which its K.E oscillates is

A body of mass 0.031 kg attached to one end of a spring of spring constant 0.3 N/m, then time period of spring mass system will be:

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

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

Velocity of particle executing SHM will be maximum at

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

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

In vibrational motion(SHM)

An oscillating body oscillates due to:

The unit of spring constant is

Acceleration of body executing SHM is always directed towards

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

Which of the following forces is responsible for SHM

Vibratory motion is always under

Amplitude is the displacement of the vibrating body from:

The displacement of body executing SHM is

When a body is vibrating, the displacement from mean position

A body with frequency of would complete one vibration in:

Which of the following is an example of SHM(in ideal situations)

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

The S.I unit of frequency is

The restoring force is always directed towards:

To and from motion of a body about its mean position is known as:

The time period of a simple pendulum is independent of its:

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

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ECAT Physics Chapter 7 Important MCQ's

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The number of vibration in two seconds can be expressed as
______ of frequency of vibration is f:

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

The restoring force is _ and opposite to the applied force within __,:

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