JEE Main & Advanced
Physics
Wave Mechanics
Question Bank
Stationary Waves
question_answer
Which two of the given transverse waves will give stationary waves when get superimposed [RPET 1997; MP PET 1993] \[{{z}_{1}}=a\cos (kx-\omega \,t)\] ..... \[{{z}_{2}}=a\cos (kx+\omega \,t)\] ..... \[{{z}_{3}}=a\cos (ky-\omega \,t)\] .....
A) A and B
B) A and C
C) B and C
D) Any two
Correct Answer:
A
Solution :
Waves A and B satisfied the conditions required for a standing wave.