# MCQ Questions for Class 11 Physics Chapter 14 Oscillations with Answers

Here you will find NCERT MCQ Questions for Class 11 Physics with Answers PDF Free Download based on the important concepts and topics given in the textbook as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 11 Physics. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

## Q1. In damped oscilation, the angular frequency of the oscillator

(a) keeps on decreasing
(b) keeps on increasing
(c) emains the same
(d) fluctuates

(c) emains the same

(a) Infinite
(b) Varies
(c) Maximum
(d) Zero

(d) Zero

## Q3. In SHM, graph of which of the following is a straight line?

(a) T.E. against displacement
(b) P.E. against displacement
(c) Acceleration against time
(d) Velocity against displacement

(a) T.E. against displacement

(a) 4 sec
(b) 1 sec
(c) 2 sec
(d) 8 sec

(c) 2 sec

(a) 3427 sec
(b) 3727 sec
(c) 3927 sec
(d) 864 sec

(d) 864 sec

(a) 10%
(b) 1%
(c) 21%
(d) 42%

(a) 10%

(a) 10 rad s-1
(b) 1 rad s-1
(c) 100 rad s-1
(d) 1 rad s-1

(a) 10 rad s-1

## Q8. In damped oscilation the directions of the restoring force and the resistive force

(a) are the same
(b) are opposite
(c) may be same or opposite
(d) have no relation with each other

(c) may be same or opposite

(a) two
(b) three
(c) four
(d) five

(b) three

(a) 0 cm
(b) 6 cm
(c) 2 cm
(d) cm

(c) 2 cm

## Q11. One of the two clocks on the earth is controlled by a pendulum and other by a spring. If both the clocks are taken to the moon, then which clock will have the same time – period of the earth?

(a) spring clock
(b) pendulum clock
(c) both
(d) none

(a) spring clock

(a) 10 cm
(b) 5 cm
(c) 2.5 cm
(d) 20 cm

(a) 10 cm

## Q13. For a magnet of time period T magnetic moment is M, if the magnetic moment becomes one fourth of the initial value, then the time period of oscillation becomes.

(a) Half of initial value
(b) One fourth of initial value
(c) Double of initial value
(d) Four time initial value

(c) Double of initial value

(a) T
(b) 1.02 T
(c) 0.99 T
(d) 1.01 T

(c) 0.99 T

## Q15. Suppose a tunnel is dug along a diameter of the earth. A particle is dropped from a point, a distance h directly above the tunnel, the motion of the particle is

a) oscillatory
b) simple harmonic
c) parabolic
d) non-periodic

a) oscillatory

a) ellipse
b) straight line
c) circle
d) parabola

a) ellipse

a) 5 cm
b) 7.5 cm
c) 10 cm
d) 12.5 cm

a) 5 cm

## Q18. Assertion : A particle executing simple harmonic motion comes to rest at the extreme positions .Reason : The resultant force on the particle is zero at these positions

a) Assertion is correct, reason is incorrect
b) Assertion is incorrect, reason is correct
c) Assertion is correct, reason is correct; reason is not a correct explanation for assertion
d) Assertion is correct, reason is correct; reason is a correct explanation for assertion

a) Assertion is correct, reason is incorrect

## Q19. In damped oscilation the directions of the restoring force and the resistive force

(a) are the same
(b) are opposite
(c) may be same or opposite
(d) have no relation with each other

(c) may be same or opposite

(a) two
(b) three
(c) four
(d) five

(b) three

## Class 11 Physics MCQs Questions with Answers Chapter Wise

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