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Question

Question: The following equation represent progressive transverse waves z<sub>1</sub> = A cos (ω t – kx) z<s...

The following equation represent progressive transverse waves

z1 = A cos (ω t – kx)

z2 = A cos (ω t + kx)

z3 = A cos (ω t + ky)

z4 = A cos( 2ω t – 2ky)

A stationary wave will be formed by superposing

A

z1 and z2

B

z1 and z4

C

z2 and z3

D

z3 and z4

Answer

z1 and z2

Explanation

Solution

The direction of wave must be opposite and frequencies will be same then by superposition, standing wave formation takes place.