JEE Main & Advanced
Sample Paper
JEE Main Sample Paper-2
question_answer
Six waves of equal frequency 50 Hz and having amplitudes 8 cm, 12 cm, 6 cm, 3 cm, 17 cm and 12 cm reach at point O with successive phase difference of \[\pi /3\]. Amplitude of the resultant wave after superposition is
A) 8 cm
B) 11 cm
C) 25 cm
D) zero
Correct Answer:
B
Solution :
The phasor diagram of waves Resultant amplitude = 11 cm along\[{{A}_{6}}\].