A plane progressive wave is given by y = 2 cos 2π(330 t – x) m. The frequency of the wave is :  

(1) 165 Hz 

(2) 330 Hz

(3) 660 Hz 

(4) 340 Hz                               JEE-2024

Solution:                
A plane progressive wave is given by y = 2 cos 2π(330 t – x) m. The frequency of the wave is : (1) 165 Hz (2) 330 Hz (3) 660 Hz (4) 340 Hz JEE-2024

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