This set of Class 11 Physics Chapter 15 Multiple Choice Questions & Answers (MCQs) focuses on “Waves – Doppler Effect”. 1. In case of electromagnetic waves, doppler shifts are independent of whether source moves or observer provided relative speed is the same. True or False? a) True b) False 2. An observer is standing stationary … Read more
This set of Class 11 Physics Chapter 15 Multiple Choice Questions & Answers (MCQs) focuses on “Waves – Beats”. 1. Consider the phenomenon of beats & select the correct statement. a) It occurs when frequencies are close or equal b) It correspond to the change in intensity we hear due to interference of 2 waves … Read more
This set of Class 11 Physics Chapter 15 Multiple Choice Questions & Answers (MCQs) focuses on “Waves”. These MCQs are created based on the latest CBSE syllabus and the NCERT curriculum, offering valuable assistance for exam preparation. 1. If a string wave encounters a completely fixed end, what happens to its phase? a) Stays the … Read more
This set of Class 11 Physics Chapter 15 Multiple Choice Questions & Answers (MCQs) focuses on “Principle of Superposition of Waves”. 1. y1 = 2sin(3x – 2t) & y2 = 3sin(3x – 2t + π/4). Find the expression for resultant displacement caused by superposition of the two waves. a) 3.6sin(2x-3t+3π/7) b) 4.63sin(3x-2t+3π/5) c) 3.6cos(3x-2t+3π/7) d) … Read more
This set of Class 11 Physics Chapter 15 Multiple Choice Questions & Answers (MCQs) focuses on “Speed of a Travelling Wave”. 1. What is the expression for wave speed in the given equation: y = Asin(kx-wt + π)? a) dy/dt b) w/k c) 2πw/k d) 2πk/w 2. A string has a mass of 100gm & … Read more
This set of Class 11 Physics Chapter 15 Multiple Choice Questions & Answers (MCQs) focuses on “Displacement Relation in a Progressive Wave”. 1. What does the given equation: x = Asin(ky+wt+a) represent? a) Wave travelling along positive x direction b) Wave travelling along negative x direction c) Wave travelling along positive y direction d) Wave … Read more
This set of Class 11 Physics Chapter 15 Multiple Choice Questions & Answers (MCQs) focuses on “Transverse and Longitudinal Waves”. 1. All waves require material for propagation. True or False? a) True b) False 2. Transverse waves involve energy transfer by movement of medium particles, while longitudinal waves don’t. True or False? a) True b) … Read more
This set of Class 11 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Forced Oscillations and Resonance”. 1. What is the frequency with which forced periodic oscillations oscillate? a) Frequency of forced oscillator b) Their natural frequency c) No specific frequency d) Sum of frequency of forced oscillator & their natural frequency … Read more
This set of Class 11 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Oscillations – Damped Simple Harmonic Motion”. 1. Damping force on a spring mass system is proportional to which of the following quantities? a) Velocity b) Acceleration c) Displacement from mean position d) (velocity)2 2. If the restoring force on … Read more
This set of Class 11 Physics Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Oscillations – Systems Executing Simple Harmonic Motion”. 1. Let T1 be the time period of a single spring mass system on a horizontal surface. Let T2 be the time period of the same system when hung from the ceiling. … Read more
