 MCQ Questions for Class 11 Physics Chapter 14 Oscillations with Answers

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

Check the below NCERT MCQ Questions for Class 11 Physics Chapter 14 Oscillations with Answers Pdf free download. MCQ Questions for Class 11 Physics with Answers were prepared based on the latest exam pattern. We have provided Oscillations Class 11 Physics MCQs Questions with Answers to help students understand the concept very well.

## Q1. In SHM, the acceleration is directly proportional to

a) displacement
b) time
c) linear velocity
d) frequency

a) displacement

a) Zero
b) 4 A
c) 2 A
d) A

a) Zero

a) None of these
b) Velocity
c) Displacement
d) Acceleration

a) None of these

## Q4. A system exhibiting SHM must possess

a) elasticity as well as inertia
b) elasticity, inertia and an external force
c) elasticity only
d) inertia only

a) elasticity as well as inertia

## Q5. A particle moves in a circular path with a uniform speed. Its motion is

a) periodic
b) oscillatory
c) simple harmonic
d) angular simple harmonic

a) periodic

## Q6. The motion which is not simple harmonic is

a) motion of a planet around the Sun
b) oscillation of liquid column in a U-tube
c) motion of simple pendulum
d) vertical oscillations of a spring

a) motion of a planet around the Sun

a) II and III
b) I and II
c) I only
d) I and III

a) II and III

## 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

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

(c) 2 cm

## Q22. 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

(c) 2 cm

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

(a) 10 cm