Advertisements
Advertisements
प्रश्न
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 observer.
Advertisements
उत्तर
Speed of sound in air (V) = 330 m/s
Time in which thunder is heard after lighting is seen (t) = 5s
Thus, distance between flash and observer = V x t = (330 x 5) = 1650 m
APPEARS IN
संबंधित प्रश्न
Cite an experiment to show that sound needs a material medium for its propagation.
Can two person hear each other on moon’s surface ? Give reason to support your answer.
A body vibrating with a time-period of `1/256` s produces a sound wave which travels in air with a velocity of 350 m/s. Calculate the wavelength.
What is the approximate value of the speed of sound in air at N.T.P.?
What are the requisites of the medium for the propagation of sound? Briefly, explain them.
What is the audible range of frequency?
Sound cannot travel in ______.
______ is the number of vibrations of a particle in the medium, in one second
The small to and fro motion is called vibration.
Find the odd one out.
