Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.
Question: 6
Two astronauts cannot hear each other on the moon’s surface, because-
- Their ears have stopped working on the moon
- No atmosphere on the moon
- They wear special space suits on the moon
- The sound travels much more slowly on moon
Show/Hide Explanation
Correct Answer: B
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In order for sound to propagate from one place to another, it requires a medium or a fluid to move through. The air on the earth allows sound waves to move from one point to another. However, there is vacuum on surface of moon. Thus, there is no sound on the moon.