Home
Class 9
PHYSICS
A boy fires a gun and another boy at a d...

A boy fires a gun and another boy at a distance hears the sound of fire 2.5 s after seeing the flash. If speed of sound in air is 340 m `s^(-1)`, find the distance between the boys.

Text Solution

AI Generated Solution

To solve the problem of finding the distance between the two boys when one hears the sound of a gunshot after a delay, we can follow these steps: ### Step-by-Step Solution: 1. **Identify Given Information**: - Speed of sound in air, \( v = 340 \, \text{m/s} \) - Time taken for the sound to reach the second boy, \( t = 2.5 \, \text{s} \) ...
Promotional Banner

Topper's Solved these Questions

  • PROPAGATION OF SOUND WAVES

    ICSE|Exercise EXERCISE -8(B) |19 Videos
  • PROPAGATION OF SOUND WAVES

    ICSE|Exercise EXERCISE -8(B) (Multiple choice type)|3 Videos
  • PROPAGATION OF SOUND WAVES

    ICSE|Exercise EXERCISE -8(A) (Multiple choice type)|4 Videos
  • PRESSURE IN FLUIDS AND ATMOSPHERIC PRESSURE

    ICSE|Exercise Exercise -4(B)Numericals|5 Videos
  • REFLECTION OF LIGHT

    ICSE|Exercise EXERCISE 7(C)|54 Videos

Similar Questions

Explore conceptually related problems

A boy fires a gun and another boy at a distance of 1020 m hears the sound of firing the gun 3 s after seeing its smoke. Find the speed of sound.

A boy fires a gun and another boy at a distance of 1360 m hears the sound of firing the gun 4 s after its smoke is seen. Find the speed of sound.

A boy on a hill A fires a gun. Another boy on hill B hears the sound after 4 s. If the speed of sound is 330 m s^(-1) , find the distance between the two hills.

A pendulum has a frequency of 5 vibrations per second. An observer starts the pendulum and fires a gun simultaneously. He hears echo from the cliff after 8 vibrations of the pendulum. If the velocity of sound in air is 340 m s^(-1) , find the distance between the cliff and the observer.

An observer A fires a gun and another observer B at a distance 1650 m away from A hears its sound. If the speed of sound is 330 m s^(-1) , find the time when B will hear the sound after firing by A.

A pendulum has a frequency of 4 vibrations per second. An observer starts the pendulum and fires a gun simultaneously. He hears the echo from the cliff after 6 vibrations of the pendulum. If the velocity of sound in air is 340 m/s, find the distance between the cliff and the observer.

The time interval between a lightning flash and the first sound of thunder is 5 s. If the speed of sound in air is 330 m s^(-1) , find the distance of flash from the observer.

A boy hears an echo of his own voice from a distant hill after one second. The speed of sound in air is 350 m s^(-1) . What is the distance of the hill from the boy?

The sound of thunder is heard 3 s after flash of lightning. If the speed of sound is 340 m/s, find the height of the cloud.

The time interval between a lightning flash and the first sound of thunder was found to be 5 s. If the speed of sound in air is 330 m s^(-1) , find the distance of flash from the observe.