CBSE Class 11 Physics Oscillations and Waves Assignment

Read and download free pdf of CBSE Class 11 Physics Oscillations and Waves Assignment. Get printable school Assignments for Class 11 Physics. Class 11 students should practise questions and answers given here for Chapter 14 Oscillations Physics in Class 11 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 11 Physics prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 11 Physics Chapter 14 Oscillations

Class 11 Physics students should refer to the following printable assignment in Pdf for Chapter 14 Oscillations in Class 11. This test paper with questions and answers for Class 11 Physics will be very useful for exams and help you to score good marks

Chapter 14 Oscillations Class 11 Physics Assignment

Oscillations and Waves MCQ Questions with Answers Class 11 Physics 

Question- Which of the following equations does not represent a simple harmonic motion ?
(a) y = a sin ω t
(b) y = b cos ω t
(c) y = a sin ω t + b cos ω t
(d) y = a tan ω t
Ans-(d)
 
Question- A particle of mass 0.1 kg is executing SHM of amplitude 0.1 m. When the particle passes through the mean position, its K.E. is 8 × 10–3 J. The equation of motion of the particle,when the initial phase of oscillation is 45o, is
(a) y = 0.1 cos (3 t + Π/4)
(b) y = 0.1 sin (3 t + Π/4)
(c) y = 0.1 sin (4 t + Π/4)
(d) y = 0.1 cos (4 t + Π/4)
Ans-(c)
 
Question- The phase difference between x1 = A sinωt and x2 = A cos ω t is :
(a) Π/2
(b) Π/4
(c) Π/3
(d) Π/6
Ans-(a)
 
Question- A particle is performing S.H.M. along X-axis with amplitude 4 cm and time period 1.2 sec. The minimum time taken by the particle to move from x = + 2 cm to x = + 4 cm and back again
is given by
(a) 0.6 s
(b) 0.4 s
(c) 0.3 s
(d) 0.2 s
Ans-(b)
 
Question- The time taken by a particle executing S.H.M. of period T to move from the mean position to half the maximum displacement is
(a) T/2
(b) T/4
(c) T/8
(d) T/12
Ans-(d)
 
13.Question- (a) f/2
(b) f
(c) 2 f
(d) 4 f
Ans-(c)
 
Question-  What is the ratio of maximum acceleration to the maximum velocity of a simple harmonic oscillator ?
(a) ω 
(b) ω/2
(c) 1/ω
(d) 2ω
Ans-(a)
 
Question-  If a conservative force is acting on a system in SHM. The total mechanical energy is :
(a) time dependent
(b) position dependent
(c) amplitude dependent
(d) Both (a) and (c) are correct
Ans-(c)
 
Question-  A mass of 1 kg attached to the bottom of a spring has a certain frequency of vibration. The following mass has to be added to it in order to reduce the frequency by half.
(a) 1 kg
(b) 2 kg
(c) 3 kg
(d) 4 kg
Ans-(c)
 
Question-  The period of oscillation of a mass m suspended from a spring is 2 seconds. If along with it another mass of 2 kg is also suspended, the period of oscillation increases by one second. The mass m will be
(a) 2 kg
(b) 1 kg
(c) 1.6 kg
(d) 2.6 kg
Ans-(c)
 
Question-  Here, tension in the string (T) at extreme ... A ... . Here, A refers to
(a) mg
(b) mg cos θ
(c) mg sin θ 
(d) zero
Ans-(b)
 
Question-  In the previous question, the tension at the equilibrium position is
(a) greater than mg
(b) less than mg
(c) equal to mg
(d) information insufficient
Ans-(a)
 
Question-  A simple pendulum is suspended from the ceiling of a lift.When the lift is at rest its time period is T. With what acceleration should the lift be accelerated upwards in order to reduce its period to T/2? (g is acceleration due to gravity).
(a) 2g
(b) 3g
(c) 4g
(d) g
Ans-(b)
 
Question-  A body is moving in a room with a velocity of 20 m/s perpendicular to the two walls separated by 5 m. There is no frictrion and the collisions with the walls are elastic. The motion of the body is
(a) not periodic
(b) periodic but not simple harmonic
(c) periodic and simple harmonic
(d) periodic with variable time period
Ans-(b)
 
Question- The drag force on the vane is directly proportional to:
(a) velocity of vane
(b) displacement of vane
(c) spring constant
(d) mass of the block
Ans-(a)
 
Question-  The net force acting on the block of mass m is :
(a) kx – bv
(b) –kx – bv
(c) –kx + bv
(d) None of these
Ans-(b)
 
Question-  A string is stretched between fixed points separated by 75.0 cm.It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. Then the lowest resonance frequency for this string is
(a) 1.05 Hz
(b) 1050 Hz
(c) 10.5 Hz
(d) 105 Hz
Ans-(d)
 
Question- A stretched string of length 1 m and mass 5 × 10–4 kg, fixed at both ends, is under a tension of 20 N. If it is plucked at points situated at 25 cm from one end, it would vibrate with a frequency :
(a) 400 Hz
(b) 200 Hz
(c) 100 Hz
(d) 256 Hz
Ans-(b)
 
Question- An open organ pipe of length l vibrates in its fundamental mode. The pressure variation is maximum :
(a) at the two ends
(b) at the distance l/2 inside the ends
(c) at the distance l/4 inside the ends
(d) at the distance l/8 inside the ends
Ans-(b)
 
Question-  A pipe closed at one end and open at the other end resonates with sound waves of frequencies 135 Hz and also 165 Hz but not with any wave of frequency intermediate between these two. The frequency of the fundamental note is :
(a) 30 Hz
(b) 15 Hz
(c) 60 Hz
(d) 7.5 Hz
Ans-(b)
 
Question- A pipe closed at one end and open at the other end resonates with sound waves of frequency 135 Hz and also 165 Hz but not with any wave of frequency intermediate between these two. Then the frequency of the fundamental note is
(a) 30 Hz
(b) 15 Hz
(c) 60 Hz
(d) 7.5 Hz
Ans-(b)
 
Question- A tuning fork vibrating with a sonometer having 20 cm wire produces 5 beats/s. The beat frequency does not change if the length of the wire is changed to 21 cm. The frequency of the tuning fork must be :
(a) 200 Hz
(b) 210 Hz
(c) 205 Hz
(d) 215 Hz
Ans-(c)
 
Question-  A source of frequency v gives 5 beats/s when sounded with a frequency 200 Hz. The second harmonic of source gives 10 beats/s when sounded with a source of frequency 420 Hz. The value of v is :
(a) 200 Hz
(b) 210 Hz
(c) 205 Hz
(d) 195 Hz
Ans-(c)
 
Question-  Two trains, each moving with a velocity of 30 m/s, cross each other. One of the trains gives a whistle whose frequency is 600 Hz. If the speed of sound is 330 m/s, the apparent frequency for passengers sitting in the other train before crossing would be :
(a) 600 Hz
(b) 630 Hz
(c) 920 Hz
(d) 720 Hz
Ans-(d)
 
 
CBSE Class 11 Physics Oscillations and Waves Assignment
 
 
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CBSE Class 11 Physics Chapter 14 Oscillations Assignment

We hope you liked the above assignment for Chapter 14 Oscillations which has been designed as per the latest syllabus for Class 11 Physics released by CBSE. Students of Class 11 should download and practice the above Assignments for Class 11 Physics regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 11 Physics practice sheet in Pdf. All questions have been designed for Physics by looking into the pattern of problems asked in previous year examinations. 

Assignment for Physics CBSE Class 11 Chapter 14 Oscillations

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Chapter 14 Oscillations Assignment Physics CBSE Class 11

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Chapter 14 Oscillations Assignment CBSE Class 11 Physics

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CBSE Physics Class 11 Chapter 14 Oscillations Assignment

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