Question
Question: A big explosion on the moon cannot be heard on the earth because –...
A big explosion on the moon cannot be heard on the earth because –
A
The explosion produces high frequency sound waves which are inaudible
B
Sound waves require a material medium for propagation
C
Sound waves are absorbed in the atmosphere of moon
D
Sound waves are absorbed in the earth's atmosphere
Answer
Sound waves require a material medium for propagation
Explanation
Solution
As the sound waves are mechanical waves they requires medium for propagation.