JEE Main & Advanced
JEE Main Paper Phase-I (Held on 09-1-2020 Morning)
question_answer
Three harmonic waves having equal frequency \[\nu \]and same intensity\[{{I}_{0}}\], have phase angles \[0,\frac{\pi }{4}\] and \[-\frac{\pi }{4}\] respectively. When they are superimposed the intensity of the resultant wave is close to [JEE MAIN Held on 09-01-2020 Morning]