Advertisements
Advertisements
प्रश्न
The smoke from the gun barrel is seen 2 second before the explosion is heard. If the speed of sound in air is 350 ms-1, calculate the distance of observer from the gun.
Advertisements
उत्तर
The distance of observer from the gun = speed of sound x time taken for the explosion
= 350 x 2 = 700m
APPEARS IN
संबंधित प्रश्न
What is loudness of sound? What factors does it depend on?
How does the loudness of sound produced depend on the vibrating area of the body ?
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
Explain the terms 'crests' and troughs' of a wave? What type of waves consist of crests and troughs?
What causes sound in air?
What is the value of sound of room temperature?
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey.
A sound wave travels 2000 m in 8 s. What is the velocity of the sound?
Lightning can be seen the moment it occurs. Paheli observes lightning in her area. She hears the sound 5 s after she observed lightning. How far is she from the place where lightning occurs? (speed of sound = 330 m/s).
