Related InterviewSolutions

• 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)^2I had been asked this question in an online interview.My question is taken from Oscillations in division Oscillations of Physics – Class 11
• What will happen to the time period of a simple pendulum if temperature of the surroundings is significantly increased?(a) Increase(b) Decrease(c) Remain the same(d) The oscillations come to a stopThis question was posed to me during an online interview.My question is from Oscillations topic in section Oscillations of Physics – Class 11
• In an SHM the time taken to go from mean position to A/2 is the same as that from A/2 to A. True or False? Here, A is the amplitude of motion.(a) True(b) FalseI have been asked this question in a national level competition.The above asked question is from Simple Harmonic Motion in portion Oscillations of Physics – Class 11
• A particle is undergoing SHM with amplitude 10cm. The maximum speed it achieves is 1m/s. Find the time it takes to reach from the mean position to half the amplitude.(a) π/60 s(b) π/30 s(c) π/15 s(d) π/40 sI got this question by my college director while I was bunking the class.This is a very interesting question from Simple Harmonic Motion in portion Oscillations of Physics – Class 11
• What happens to the energy of a particle, in SHM, with time in the presence of damping forces?(a) Stays constant(b) Decreases linearly(c) Decreases exponentially(d) Decreases cubicallyI have been asked this question by my school teacher while I was bunking the class.My query is from Oscillations in section Oscillations of Physics – Class 11
• A particle of mass m starts from the mean position of a SHM, at t=0, and goes towards -A. If the angular frequency of SHM is w, find the force acting on it as a function of time.(a) mAw^2sin(wt)(b) mAw^2sin(wt+π)(c) -mAw^2cos(wt+π)(d) -mAw^2cos(wt)I had been asked this question during an online exam.This key question is from Oscillations topic in section Oscillations of Physics – Class 11
• Consider a particle undergoing an SHM of amplitude A & angular frequency w. What is the magnitude of displacement from the mean position when kinetic energy is equal to the magnitude of potential energy?(a) A/2(b) A/√2(c) A/3(d) A/4This question was addressed to me by my college director while I was bunking the class.My question is from Oscillations topic in chapter Oscillations of Physics – Class 11
• A spring mass system is hanging from the ceiling of a lift. It has been like this for quite some time. Suddenly the cables holding the lift are cut. What will be the amplitude of oscillation of the block when observed by a person standing (of mass M) in the lift?(a) mg/k(b) (M-m)g/k(c) The observer will not observe a SHM(d) 2mg/kThis question was posed to me in an online interview.I'd like to ask this question from Oscillations in chapter Oscillations of Physics – Class 11
• Consider the damped SHM of a spring mass system. If the time taken for the amplitude to become half is ‘T’, what is the time taken for mechanical energy to become half?(a) T(b) T/2(c) 2T(d) T/4I have been asked this question in a national level competition.My question is from Oscillations topic in section Oscillations of Physics – Class 11
• 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 expression for T1 & T2?(a) T1 = T2 = 2π √(k/m)(b) T1 = 2π √(m/k), T2 = 2π √(mg/k)(c) T1 = T2 = 2π √(m/k)(d) T1 = 2π √(m/k), T2 = 2π √(k/mg)This question was posed to me in an interview for job.This key question is from Oscillations in division Oscillations of Physics – Class 11