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	In SHM, there is always a constant ratio between displacement if body and its:	A. Velocity B. Period C. Mass D. Acceleration
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	A spring of constant k = 0.4 N m^-1_{is 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
4	When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:	A. Increases B. Decreases C. Remains constant D. None of these
5	The acceleration of body executing SHM is directly proportional to	A. Applied force B. Amplitude C. Displacement D. Frictional force
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	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
8	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
9	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
10	If mass of 10 gm is suspended from a spring of K=0.8 Nm^-1then the extension will be:	A. 10 cm B. 1 m C. 10 mn D. None of these

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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

Amplitude is the displacement of the vibrating body from:

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

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

When a body is vibrating, the displacement from mean position

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

An oscillating body oscillates due to:

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

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

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

The restoring force is ______ and opposite tot he applied force within ______

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

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

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

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

Which one of the following is an example of SHM

An object in SHM will have maximum speed when its displacement from equilibrium position is:

The string of a simple pendulum should be:

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

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

Amplitude in SHM is equivalent to_____ in circular motion:

The acceleration of body executing SHM is directly proportional to

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

Which of the following forces is responsible for SHM

Free oscillations are always produced by:

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

In vibrational motion(SHM)

Vibratory motion is always under

A body with frequency would complete one vibration in:

If there identical strings each of constant K are hooked together the spring constant of resultant spring will be:

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

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ECAT Physics Chapter 7 Important MCQ's

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The body oscillates due to _ accelerates and overshoots the rest position due to__,:

The restoring force is and opposite tot he applied force within

In SHM, the acceleration is __ when velocity is _:

The restoring force is __ amd 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:

The body oscillates due to accelerates and overshoots the rest position due to _

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