1.

In an organ (may be closed or open) of 99cm length standing wave is setup, whose equation is given by longitudinal displacement =(0.1 mm) cos(2pi)/0.8 (y+1 cm) cos 2pi(400 t) Where y is measured from the top of the tube in meters and t in second. Here lcm is the end correction. The air column is vibrating in

Answer»

FIRST OVERTONE
FIFTH harmonic
Third harmonic
Fundamental mode

Answer :B


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