APPSC Group-I Preliminary Exam 2003 Solved Paper

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Question : 18 of 150

Marks: +1, -0

The speed of sound will be highest in

dry air at $0^{∘} {C}$
dry air at $30^{∘} {C}$
humid art at $0^{∘} {C}$
humid air at $30^{∘} {C}$

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