Maharashtra State PSC 2016 Solved Paper
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Question : 52 of 100
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Consider the following statements:
a. The whistle of a passing train is clearly heard on a quiet misty night.
b. Velocity of sound in air is proportional to the humidity in air.
Which of the above statements are true?
a. The whistle of a passing train is clearly heard on a quiet misty night.
b. Velocity of sound in air is proportional to the humidity in air.
Which of the above statements are true?
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