MCQ Questions for Class 11 Physics Chapter 14 Oscillations with Answers

Oscillations Class 11 Physics MCQs Questions 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.

Class 11 Physics Chapter 14 Quiz

Class 11 Physics Chapter 14 MCQ Online Test

You can refer to NCERT Solutions for Class 11 Physics Chapter 14 Oscillations to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Oscillations Class 11 Physics MCQ online test

Q1.	If an simple pendulum oscillates with an amplitude of 50 mm and time period of 2s, then its maximum velocity is
	A.0.10 m/s
	B.0.16 m/s
	C.0.25 m/s
	D.0.5 m/s

Ans: 0.16 m/s

Q2.	If the frequency of the particle executing S.H.M. is n, the frequency of its kinetic energy becoming maximum is
	A.n/2
	B.n
	C.2n
	D.4n

Ans: 2n

Q3.	Spring is pulled down by 2 cm. What is amplitude of motion?
	A.0 cm
	B.6 cm
	C.2 cm
	D.cm

Ans: 2 cm

Q4.	The period of thin magnet is 4 sec. if it is divided into two equal halves then the time period of each part will be
	A.4 sec
	B.1 sec
	C.2 sec
	D.8 sec

Ans: 2 sec

Q5.	The acceleration of particle executing S.H.M. when it is at mean position is
	A.Infinite
	B.Varies
	C.Maximum
	D.Zero

Ans: Zero

Q6.	A spring of force constant k is cut into two pieces such that on piece is double the length of the other. Then the long piece will have a force constant of
	A.2 k/3
	B.3 k/2
	C.3 k
	D.6 k

Ans: 3 k/2

Q7.	Particle moves from extreme position to mean position, its
	A.Kinetic energy increases, potential increases decreases
	B.Kinetic energy decreases, potential increases
	C.Both remains constant
	D.Potential energy becomes zero and kinetic energy remains constant

Ans: Kinetic energy increases, potential increases decreases

Q8.	Grap of potential energy vs. displacement of a S.H. Oscillator is
	A.parabolic
	B.hyperbolic
	C.elliptical
	D.linear

Ans: parabolic

Q9.	The time-period of S.H.O. is 16 sec. Starting from mean position, its velocity is 0.4 m/s after 2 sec. Its amplitude is
	A.0.36 m
	B.0.72 m
	C.1.44 m
	D.2.88 m

Ans: 1.44 m

Q10.	A simple pendulum is made of a body which is a hollow sphere containing mercury suspended by means of a wire. If a little mercury is drained off, the period of pendulum will
	A.Remain unchanged
	B.Increase
	C.Decrease
	D.Become erratic

Ans: Increase

Q11.	A pendulum suspended from the roof of a train has a period T (When the train is at rest). When the train is accelerating with a uniform acceleration a, the time period of the pendulum will
	A.Increase
	B.Decrease
	C.Remain unaffected
	D.Become infinite

Ans: Decrease

Q12.	In the case of forced oscillations, which of the following statements is not true?
	A.frequency equals that of external periodic force
	B.amplitude depends upon the damping coefficient
	C.amplitude tends to infinity at resonance
	D.higher the damping coefficient , lower is the amplitude at resonance

Ans: amplitude tends to infinity at resonance

Q13.	Grap of potential energy vs. displacement of a S.H. Oscillator is
	A.parabolic
	B.hyperbolic
	C.elliptical
	D.linear

Ans: parabolic

Q14.	The period of oscillation of a simple pendulum of constant length at earths surface is T, it period inside a mine is
	A.Greater than T.
	B.Less than T.
	C.Equal to T.
	D.Cannot be compared

Ans: Greater than T.

Q15.	If an simple pendulum oscillates with an amplitude of 50 mm and time period of 2s, then its maximum velocity is
	A.0.10 m/s
	B.0.16 m/s
	C.0.25 m/s
	D.0.5 m/s

Ans: 0.16 m/s

Q16.	The period of a simple harmonic oscillator is 2 sec. The ratio of its maximum velocity and maximum acceleration is
	A.∏
	B.1/∏
	C.2∏
	D.4

Ans: 1/∏

Q17.	In damped oscillation, the angular frequency of the oscillator
	A.keeps on decreasing
	B.keeps on increasing
	C.remains the same
	D.fluctuates

Ans: remains the same

Q18.	A simple pendulum of length l and mass (bob) m is suspended vertically. The string makes an angle q with the vertical. The restoring force acting on the pendulum, is
	A.mg tan θ
	B.mg sin θ
	C. -mg sinθ
	D. -mg cosθ

Ans: -mg sinθ

Q19.	In simple harmonic motion which statement is wrong.
	A.A body in S.H.M. its velocity maximum at mean position
	B.A body in S.H.M. its K.E. less at extreme position
	C.A body in S.H.M. its acceleration more at extreme position its directions away from mean position
	D.A body in S.H.M its acceleration less at mean position

Ans: A body in S.H.M. its acceleration more at extreme position its directions away from mean position

Q20.	The period of oscillation of a mass M, having from a spring of force constant k is T. When additional mass m is attached to the spring, the period of oscillation becomes 5T/4. m/M =
	A.9:16
	B.25:16
	C.25:9
	D.19:9