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
How do we produce sound ?
The longitudinal waves travel in a coiled spring at a rate of 4 m/s. The distance between two consecutive compressions is 20 cm. Find :
(i) Wavelength of the wave (ii) Frequency of the wave
Before playing the orchestra in a musical concert, a sitarist tries to adjust the tension and pluck the strings suitably. By doing so he is adjusting :
What change do you expect in the characteristics of a musical sound if
(i) Its frequency is increased,
(ii) Its amplitude is increased?
What do you understand by the term sound energy?
What is a longitudinal wave?
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).
Longitudinal waves are produced in solids liquids and also in gases.
