Length of a string tied to two rigid supports is 40 cm. Maximum length (wave length in cm) of a stationary wave produced on it is (1) 20 (2) 80 (3) 40 (4) 120
Length of a string tied to two rigid supports is 40 cm. Maximum length (wave length in cm) of a stationary wave produced on it is\\
(1) 20\\
(2) 80\\
(3) 40\\
(4) 120