General Science - Physics (Basics)
Which of the following correctly explains why sound cannot be heard in space?
Which of the following correctly explains why sound cannot be heard in space?
hard Q10 of 15
Step-by-Step Solution
Step 1: Understand sound wave nature
Sound waves are mechanical waves that require a medium (solid, liquid, or gas) to propagate.Step 2: Analyze space environment
Space is a vacuum with no medium; hence, sound cannot travel there. Sound waves are longitudinal, not electromagnetic. Speed in space is irrelevant as no medium exists.Step 3: Explain incorrect options
Sound waves are not transverse; they are not electromagnetic; speed is not the issue but absence of medium.Final Answer:
Sound waves are mechanical and require a medium → Option DQuick Check:
Sound propagation = Mechanical wave needs medium ✅
Quick Trick: No medium in space means no sound transmission.
Common Mistakes:
MISTAKES- Confusing sound as electromagnetic or transverse wave.
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