20. Shock absorbers work on the principle of: a) Light damping b) Heavy damping c) Critical...

Transcribed Image Text:

20. Shock absorbers work on the principle of: a) Light damping b) Heavy damping c) Critical damping d) None 21. The damping constant (b) for a mass spring system (2.5 kg, 600 N/m) is: a) 25 kg/s b) 50 kg/s c) 60 kg/s d) 77.5 kg/s 22. aż? +Bz? represents which physical quantity associated with a SHO: a) Energy b) Momentum c) Frequency d) Spring constant d20 has dimensions of: a) dt2 23. The quantity I Force b) Inertia c) Energy d) Torque 24. In most cases Fa = bv represents which force acting on a harmonic oscillator: a) Spring force b) Damping force c) Gravity d) Tension 25. Viscosity of a medium is a measure of: a) Elasticity b) Stiffness c) Damping d) None 26. Time constant of an RLC circuit equals: a) R/2L b) L/R c) 1/с d) 1/LC 27. A damped oscillator retains its amplitude (energy) due to: a) Inertia b) Quality factor c) Resonance d) Damping 28. The resonance frequency of an electron (wo) is related to wavelength (1) of a photon by: a) Wo = 2nc/a b) Wo = c/2 c) Wo = 1/2 d) Wo = 1/c 29. The fractional change in energy is represented as: a) ΔΕ b) ΔΕ/Ε c) Е — ДЕ d) E + AE 30. In an RLC circuit which quantities exponentially decay with time: a) Charge b) Voltage c) Both a & b d) None 20. Shock absorbers work on the principle of: a) Light damping b) Heavy damping c) Critical damping d) None 21. The damping constant (b) for a mass spring system (2.5 kg, 600 N/m) is: a) 25 kg/s b) 50 kg/s c) 60 kg/s d) 77.5 kg/s 22. aż? +Bz? represents which physical quantity associated with a SHO: a) Energy b) Momentum c) Frequency d) Spring constant d20 has dimensions of: a) dt2 23. The quantity I Force b) Inertia c) Energy d) Torque 24. In most cases Fa = bv represents which force acting on a harmonic oscillator: a) Spring force b) Damping force c) Gravity d) Tension 25. Viscosity of a medium is a measure of: a) Elasticity b) Stiffness c) Damping d) None 26. Time constant of an RLC circuit equals: a) R/2L b) L/R c) 1/с d) 1/LC 27. A damped oscillator retains its amplitude (energy) due to: a) Inertia b) Quality factor c) Resonance d) Damping 28. The resonance frequency of an electron (wo) is related to wavelength (1) of a photon by: a) Wo = 2nc/a b) Wo = c/2 c) Wo = 1/2 d) Wo = 1/c 29. The fractional change in energy is represented as: a) ΔΕ b) ΔΕ/Ε c) Е — ДЕ d) E + AE 30. In an RLC circuit which quantities exponentially decay with time: a) Charge b) Voltage c) Both a & b d) None