If the velocity of sound in air is 336 m/s. The maximum length of a cl – McqOptions

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1.	If the velocity of sound in air is 336 m/s. The maximum length of a closed pipe that would produce a just audible sound will be [KCET 2001]
A.	3.2 cm
B.	4.2 m
C.	4.2 cm
D.	3.2 m
Answer» C. 4.2 cm

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