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Chapter 10 Sounds Waves: Characteristics and Applications - Part 2

What is the time taken by a sound wave of frequency 200 Hz and wavelength 1.5 m to travel a distance of 300 meters?

Type: MCQ • Marks: 1
What is the time taken by a sound wave of frequency 200 Hz and wavelength 1.5 m to travel a distance of 300 meters?
Options
A. 2 seconds
B. 10 seconds
C. 1 second
D. 0.5 seconds
Explanation
Speed v = νλ = 200 × 1.5 = 300 m/s; Time t = Distance / speed = 300 / 300 = 1 second.
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Class 9th Science (MCQ)

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