Question

Due to which phenomena sound is heard at longer distances in nights than in day?
A) Reflection
B) Refraction
C) Interference of sound
D) Diffraction of sound

Answer 1

Due to B) Refraction sound is heard at longer distances in nights than in day.

What is refraction?

• In the field of physics, we can describe refraction as a deflection in a wave when it passes from one medium to another.
• During the night time, the air that is present above the ground is warmer, hence the sound waves bend towards the Earth due to refraction,
• It is due to this bending of sound waves towards the Earth that sound is heard at longer distances during the night time.
• Hence, the correct option is B) Refraction.

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Answer 2

Explanation:

Due to which phenomena sound is heard at longer distances in nights than in day?

B) Refraction