1.

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 lengths of the air column, l1=30 cm and l2=70 cm. Then v is equal to

Answer»

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 lengths of the air column, l1=30 cm and l2=70 cm. Then v is equal to



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