Advertisements
Advertisements
प्रश्न
A worker lives at a distance of 1.32 km from the factory. If the speed of sound in air be 330 m/s, how much time will the sound of factory siren take to reach the worker?
Advertisements
उत्तर
We have to calculate the time taken by the sound wave to reach the observer.
Given: Velocity of sound ν = 330 m/s
Distance between the observer and the source d = 1,320 m.
We know, `"Time" = "Distance"/"Speed"`
Therefore , time taken by the sound wave to reach the observer is = `1320/330` s
= 4 s
So , the time taken is 4 s .
APPEARS IN
संबंधित प्रश्न
Describe an experiment to show that sound can travel in water.
Can sound travel through solids and liquids ? In which of these two does it travel faster ?
What name is given to those aircrafts which fly at speeds greater than the speed of sound?
Which term is used to denote a speed greater than the speed of sound?
If the speed of a wave is 340 m/s and its frequency is 1700 Hz, then λ for this wave in cm will be :
Helium gas is filled in two identical bottles A and B. The mass of the gas in the two bottles is 10 gm and 40 gm respectively. If the speed of sound is the same in both bottles, what conclusions will you draw?
The velocity of sound in solid is ______ than the velocity of sound in air.
Velocity of sound in a gaseous medium is 330 ms–1. If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is
The Velocity of sound is high in gases than liquids.
A strong sound signal is sent from a ship towards the bottom of the sea. It is received back after 1s. What is the depth of sea given that the speed of sound in water 1450 ms–1?
