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Two plane polarized light waves combine at a certain point whose electric field components are E 1 = E 0 Sin ω t E 2 = E 0 Sin ω t ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ π + ω 3 t Find the amplitude of the resultant wave.

1. 1.7 E 0
2. 0.9 Ε 0
3. Ε 0
4. 3.4 Ε 0

Correct answer: 1.7 E 0

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