Advertisements
Advertisements
Question
Consider the statement given below and choose the correct option.
Assertion: When lightning strikes, the sound is heard a little after the flash is seen.
Reason: The velocity of light is greater than that of the sound.
Options
Both assertion and reason are true and the reason is the correct explanation of assertion.
Both assertion and reason are true but reason is not the correct explanation of assertion.
Assertion is true but reason is false.
Assertion is false but reason is true.
Both Assertion and reason are false.
Advertisements
Solution
Both assertion and reason are true and the reason is the correct explanation of assertion.
APPEARS IN
RELATED QUESTIONS
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Why is sound wave called a longitudinal wave?
Write true or false for a given statement.
Female voice is shriller than the male voice.
Fill in the blank.
We can hear sounds of frequency in the range of _______
Select the correct alternative :
We can distinguish a shrill sound from a flat sound by its
A stone is dropped on the surface of water in a pond. Name the type of waves produced.
An observer sitting in line of two tanks watches the flashes of two tanks firing at each other at the same time, but he hears the sounds of two shots 2s and 3.5s after seeing the flashes. If distance between the two tanks is 510m, find the speed of sound.
Distinguish between light and sound waves. What are the consequences of the large difference in the speed of sound and that of light? Briefly explain them.
What do you mean by an echo?
What is a wave?
