Why does the rolling of thunder occur?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer:
Option 3: Due to successive reflections of sound from a number of reflecting surfaces.
Explanation:
Thunder is the sound produced by lightning. When lightning strikes, the air is suddenly heated and expands rapidly, producing sound waves. These sound waves are repeatedly reflected from the clouds and various layers of the atmosphere. This successive reflection causes a continuous resonating sound, called thunder. This is an extended form of echo.
Additional Facts:
Option 1: Single reflection is not sufficient.
Option 2: Absorption reduces sound.
Option 3: Correct Answer.
Option 4: Scattering of light is a different phenomenon.
Possible questions for the upcoming exam:
Question: Why is lightning visible first and sound later?
Answer: The speed of light is higher.
Question: What is the speed of sound?
Answer: Approximately 340 m/s
Question: What is an echo?
Answer: Reflection of sound
Question: Why is there a difference between thunder and lightning?
Answer: Difference in speed