UPSC NDA II 2023 General Ability Solved Paper

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Question : 132 of 150

Marks: +1, -0

Which one of the following statements is true for sound waves propa- gating in air?

Sound is an electromagnetic wave and transverse in nature
Sound is a mechanical wave and longitudinal in nature
Sound is a mechanical wave and transverse in nature
Sound is an electromagnetic wave and longitudinal in nature

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