Chapter 10 Sounds Waves: Characteristics and Applications - Part 1

What is the effect of an increase in air temperature on the speed of sound in air?

Type: MCQ • Marks: 1
What is the effect of an increase in air temperature on the speed of sound in air?
Options
A. Speed drops to zero
B. Speed decreases
C. Speed increases
D. Speed remains completely unchanged
Explanation
Sound travels faster in warmer air because molecular thermal agitation increases acoustic propagation speed.
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Class 9th Science (MCQ)

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