This set of Physics 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 in air moving at … Read more
This set of Physics Aptitude Test for Class 11 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 having close frequencies c) It … Read more
This set of Physics Multiple Choice Questions & Answers (MCQs) focuses on “Reflection of Waves”. 1. If a string wave encounters a completely fixed end, what happens to its phase? a) Stays the same b) Changes by π c) Changes by π/2 d) Waves gets destroyed 2. The equation of a wave is: y = … Read more
This set of Physics 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) 4.63cos(3x-2t+3π/5) 2. A wave … Read more
This set of Physics 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 & is under a tension … Read more
This set of Physics Written Test Questions and Answers for Class 11 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 travelling along … Read more
This set of Physics 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) False 3. Electromagnetic waves … Read more
This set of Physics 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 2. Resonance occurs when … Read more
This set of Physics 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 a body is given … Read more
This set of Physics Objective Questions and Answers for Class 11 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. What is the … Read more
