Waves Part 1

Section: Physics

Question : 45 of 100

Marks: +1, -0

A tuning fork of frequency 480 Hz is used in an experiment for measuring speed of sound (v) in air by resonance tube method. Resonance is observed to occur at two successive length of the air column, l1=30cm and l2=70cm . Then, v is equal to:

[12 Apr 2019 Shift 2]

332 ms−1
379 ms−1
338 ms−1
384 ms−1

Validate

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