Q- A riverside warehouse has two open doors and its walls are lined with sound absorbing material. A boat on the river sounds its horn. To a person A on the perpendicular bisector of the doors, at a distance 150 m from the doors, sound is loud and clear while to a person B, 30 m sideways from A, the…
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Interference (sound)
Q- Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 22 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation of 66 cm.
(a) What is the wavelength of the sound?
(b) If the d…
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