Question

A coil has reactance of 100ohm. When frequency is 50 hz .if the frequency becomes 150hz.,then the reactance will be

Answer 1

Answer:

When the air columns in two pipes closed at one end of lengths 62 cm and 63 cm

are vibrating in fundamental mode, 7 beats are heard in 3 second. Neglecting end

correction, calculate velocity of sound in air.