Sound WavesEasy
Question
A train moves towards a stationary observer with speed 34 m/s. The train sounds a whistle and its frequency registered by the observer is f1. If the trains′s speed is reduced to 17 m/s, the frequency registered is f2 If the speed of sound is 340 m/s then the ratio f1 / f2 is
Options
A.18/19
B.1/2
C.2
D.19/18
.More Sound Waves Questions
Two sitar strings A and B playing the note ′Ga′ are slightly out of tune and produce beats of frequency 6 Hz...A wave disturbance in a medium is described by y(x, t) = 0.02 coscos(10πx), where x and y are in meter and t is in ...As a wave propagates...An object producing a pitch of 1200Hz is moving with a velocity of sound is 50m/s.towards a stationary person. The veloc...A hollow metallic tube of length L and closed at one end produce resonance with a tuning fork of frequency n. The entire...