Music recording studios use sound absorbing materials.

A riverside warehouse has two open doors as shown in Figure. Its walls are lined with sound-absorbing material. A boat on the river sounds its horn. To person A the sound is loud and clear. To person B the sound barely audible. The principal wavelength of the sound waves is 2 m . Assuming person B is at the positon of the first minimum, determine the distance Ab = 20 m and the distance of A from the doors is 150 m.

How do music recording studio cut off unwanted sound?

Which of the following is used as an anti-knocking material ?

Give one use of sound ranging.

Which property of sound is used in whispering galleries.

The material generally used for sound proffing of rooms like a recording studio and auditorium, etc. is

The material generally used for sound proffing of rooms like a recording studio and auditorium, etc. is

The material generally used for sound proffing of rooms like a recording studio and auditorium, etc. is

The material generally used for sound proffing of rooms like a recording studio and auditorium, etc. is

Electrical wires have a coating of an insulating material. The material, generally used is