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	Acceleration of body executing SHM is always directed towards	A. Extreme position B. Mean position C. Along the direction of motion D. None
2	When quarter of a cycle is completed, the phase of vibration is:	A. 90° B. 180° C. 45° D. 360°
3	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
4	An object undergoes SHM. Its maximum equilibrium positions:	A. Maximum B. Half of its maximum value C. Zero D. None
5	To and from motion of a body about its mean position is known as:	A. Translatory motion B. Vibratory motion C. Rotatory motion D. None of these
6	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
7	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
8	The restoring force is always directed towards:	A. Rest position B. Equilibrium position C. Mean position D. All of them
9	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
10	A particle executes SHM with frequency. The frequency with which its K.E oscillates is	A. f/2 B. 2f C. f D. 4f

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

In vibrational motion(SHM)

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

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

The number of vibrations in two seconds can be expressed as______if frequency of vibration is f.

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

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

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

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

Vibratory motion is always under

Amplitude is the displacement of the vibrating body from:

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

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

The acceleration of body executing SHM is directly proportional to

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

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

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

The time taken to complete one vibration is called:

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:

The restoring force is always directed towards:

Which of the following forces is responsible for SHM

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

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:

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

The wave form of SHM is

SHM is type of ______ motion

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

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

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

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ECAT Physics Chapter 7 Important MCQ's

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The restoring force is and opposite tot he applied force within

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

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:

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: