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0 votes
3.1k views
in Physics by (84.6k points)
Length of 0.3 m wire vibrates in fundamental mode at frequency 480Hz. Then the velocity of sound wave in air is
A. 330m/s
B. 320m/s
C. 300m/s
D. 288m/s

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1 Answer

0 votes
by (86.5k points)
Correct Answer - D
`v=2nl`
`=2xx480xx0.3 = 6xx48 = 288`

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