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	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
2	The wave form of SHM is	A. Pulsed wave B. Square wave C. Triangular waved D. Sine wave
3	Hertz is unit of:	A. Time period B. Displacement C. Amplitude D. Frequency
4	The displacement of body executing SHM is	A. x_ocoswt B. x_osinwt C. x_osin²wt D. Both A, B
5	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	A. f/2 B. 2f C. f D. 4f
6	The time period of a simple pendulum is independent of its:	A. Length B. Mass C. Value of g D. Both A and B
7	The S.I unit of frequency is	A. Vibrations s^-2 B. Ms^-1 C. Hertz D. s^-1
8	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
9	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
10	To and fro motion of a body is about its mean position is known as:	A. Translatory motion B. Vibratory motion C. Rotatory motion 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

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

Hertz is unit of:

The SI unit of spring constant is identical with that of

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

The S.I unit of frequency is

The time taken to complete one vibration is called:

Which of the following forces is responsible for SHM

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

The string of a simple pendulum should be:

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

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

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

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

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:

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

Vibratory motion is always under

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

Which one of the following is an example of SHM

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

Amplitude in SHM is equivalent to_____ in circular motion:

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

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

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Amplitude in SHM is equivalent to ______ in circular motion:

A body with frequency of would complete one vibration in:

The restoring force is always directed towards:

If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:

The wave form of SHM is

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

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

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ECAT Physics Chapter 7 Important MCQ's

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

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

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:

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

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

The restoring force is and opposite tot he applied force within