Two organ pipe open in both end of length 50cm and 50.5 cm when sounded, number of beats per sec is 3. Calculate the velocity of sound in air.

Two waves of wave length 100 and 101 cm produce 20 beats in 6 seconds in air.Find the velocity of sound in air.

At each of the stations A and B a siren its surrounding with a constant of frequency pf 250 Hz.A cyclist from A proceeds towards B with a velocity 12km/hr and hears 5 beats per second.Calculate the velocity of sound.

Two open pipes of different lengths are producing their fundamental tones simultaneously and the number of beats per second is 5.if the shorter pipe has fundamental frequency 250 Hz,what is the length of the longer pipe?(velocity of sound = 340m/s)

Two organ pipes one open at both ends,and the other open at one end only give their fundamental noteswhose frequencies differ by 25 vibration per second.The length of the open pipre is 96 cm.Calculate the length of the closed pipe if the velocity of sound in air is 330 m(s)^-1 .

A pump extracts water from 50m depth and ejects per sec 10 kg water with a velocity of 10m/s.Calculate is power.

You are asked to prepare open organ pipe having fundamental frequency 240.What should be the length of the pipe?[velocity of sound in air =330 m/sec)

What is the frequency of fundamental note of 0.2 metre long open pipe.Velocity of sound in air is 322 m/s

A tuning fork A of frequency 384 Hz gives 6 beats per second when sounded with another tunig fork B.On loading B with a littile wax,the number of beats per second becomes 4.What is the frequency of B?

A rubber cord of radious 2 mm is loaded with a weight of 13 kg . Length of 50 cm is found to be extended to51 cm . Calculate the young's modulus of rubber .

What is the fundamental frequency at 20^@C of an open pipe of length 120 cm? The velocity of sound in air at 20^@C is 343 m//s .