- [Easy]A grandfather clock keeps time using a simple pendulum, and its bob swings with a period of exactly 2 s at a place where g equals 9.8 m per second squ...
- [Medium]A physics demonstration compares how fast sound travels through hydrogen versus oxygen at the same temperature, given that oxygen molecules are sixtee...
- [Medium]A mass oscillating in simple harmonic motion has total mechanical energy E, and at a certain instant its displacement equals half the amplitude. What ...
- [Easy]A guitarist stretches a string to a tension of 80 N, and the string has a linear mass density of 0.005 kg per metre. At what speed will a transverse p...
- [Medium]A loudspeaker cone vibrates in simple harmonic motion with amplitude 4 cm and angular frequency 50 rad per second. What is its speed at the moment its...
- [Medium]A car suspension system is deliberately engineered so that after hitting a bump the chassis settles smoothly without bouncing repeatedly up and down. ...
- [Medium]An ambulance siren emits sound at 660 Hz while the vehicle moves directly toward a stationary pedestrian at 30 m per second, with sound speed 330 m pe...
- [Medium]A narrow organ pipe closed at one end and open at the other has a length of 0.25 m, and sound travels in air at 340 m per second. What is the fundamen...
- [Medium]A sonometer wire of length 0.6 m is fixed rigidly at both ends, and waves travel along it at 180 m per second. What is the lowest frequency at which t...
- [Medium]A transverse wave on a stretched rope is described by y equals 0.02 sin of the quantity 4 pi x minus 200 pi t, with all quantities in SI units. What i...
- [Medium]Two identical loudspeakers driven in phase emit sound of wavelength 0.5 m, and a listener stands so that the path difference between the two sound pat...
- [Medium]A child on a swing is given small pushes by a parent, and the swing builds up to a large amplitude only when the pushes are timed correctly. At what d...
- [Easy]A piano tuner sounds a reference fork of 256 Hz together with a slightly mistuned string, and hears the loudness rise and fall 4 times every second. W...
- [Easy]A particle moves such that its acceleration is always directed toward a fixed point and is proportional to its distance from that point. Which charact...
- [Easy]A 0.8 kg block resting on a frictionless bench is attached to a light spring of stiffness 200 N/m and set into oscillation. What is the time period of...
- [Medium]A vibrating reed in a music box follows the displacement law x equals 0.05 sin of the quantity 20 pi t, in SI units. What is the maximum speed attaine...
- [Easy]An engineer mounts a 2 kg instrument between two identical springs, each of stiffness 300 N/m, with both springs connected on the same side in paralle...
- [Medium]Intensity of wave proportional to square of:...
- [Easy]Relation between speed v, frequency f and wavelength λ is:...
- [Medium]For string fixed at both ends length L fundamental frequency has wavelength:...
- [Hard]Observed frequency increases if:...
- [Easy]Beat frequency between two sources f1, f2 is:...
- [Hard]Fraction of time particle in SHM spends between x = -A/2 and x = A/2 is approximately:...
- [Hard]Sharpness of resonance increases when damping:...
- [Easy]Transverse wave speed on string with tension T and linear density μ is:...
- [Medium]At resonance, amplitude is maximum when driving frequency equals:...
- [Easy]In SHM, acceleration is proportional to:...
- [Medium]Damping causes amplitude to:...
- [Easy]Small angle simple pendulum length L has period:...
- [Easy]Relation between frequency f and period T is:...
- [Easy]Total mechanical energy in SHM (amplitude A) is:...
- [Easy]Time period of mass m on spring k is:...