Advertisements
Advertisements
प्रश्न
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.
पर्याय
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
उत्तर
Both assertion and reason are true and the reason is the correct explanation of assertion.
APPEARS IN
संबंधित प्रश्न
In fig. 2 two musical notes of the same pitch and same loudness are played on a violin and on a piano. Their wave forms are as shown in the diagram below. Explain why the wave patterns are different.

The diagram given below shows a displacement distance graph of a wave. If the velocity of wave is 160 ms-1, calculate:
- wavelength
- frequency
- amplitude.

Can you hear each other in a dark room?
When a sound wave travels through air, the air particles ______.
A key of a mechanical piano struck gently and then struck again but much harder this time. In the second case
Why is a sound wave called a longitudinal wave?
Sound travels in the air as ______ wave.
