Advertisements
Advertisements
Question
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
Solution
This happens because the light travels much faster than sound.
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
Sound can travel in a ______
Select the correct alternative :
Sound cannot travel in
State one observation from everyday life which shows that sound travels much more slow than light.
Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
The frequency of the sound emitted by the loudspeaker is 1020 Hz. Calculate the wavelength of the sound wave in air in cm where its velocity is 340 m/s.
Fill in the blank and explain.
Sound does not travel through ______.
How does the speed of sound in air vary with temperature?
Can we hear sounds of frequencies:
Less than 20 Hz
State three characteristics of the medium required for the propagation of sound.
the speed of sound in air is 331 ms-1 at ______ and ______ at 22°C.
