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	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
3	If the waves produced in a microwave oven are of wave-length 12 cm, then their frequency will be:	A. 2500 MHz B. 0.25 MHz C. 2500 KHz D. None of these
4	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
5	If a force of 0.05 N produces an elongation of 20 mm in 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
6	Vibratory motion is always under	A. Applied force B. Restoring force C. Periodic force D. Gravitational force
7	The restoring force is ______ amd opposite to the applied force within _____:	A. Equal, elastic limit B. Different, the walls of the laboratory C. Different, elastic limit D. None of these
8	Free oscillations are always produced by:	A. An applied force B. Gravitational force C. Restoring force and inertia D. Inertia only
9	The time taken to complete one vibration is called:	A. Frequency B. Amplitude C. Time D. Time period
10	The restoring force is ______ and opposite tot he applied force within ______	A. Equal, Elastic limit B. Different, The walls of the laboratory C. Different, Elastic limit 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

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:

Vibratory motion is always under

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

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

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:

When a body is vibrating, the displacement from mean position

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

Which of the following forces is responsible for SHM

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

In vibrational motion(SHM)

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

The acceleration of body executing SHM is directly proportional to

Velocity of particle executing SHM will be maximum at

Amplitude in SHM is equivalent to ______ in circular motion

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

The time taken to complete one vibration is called:

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

Acceleration of body executing SHM is always directed towards

The wave form of SHM is

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

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

The string of a simple pendulum should be:

Amplitude is the displacement of the vibrating body from:

Hertz is unit of:

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

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

The SI unit of spring constant is identical with that of

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

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

The graph showing the variation of displacement with time is a:

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ECAT Physics Chapter 7 Important MCQ's

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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:

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