Two Coherent Waves, Each with Intensity I₀, Are in Phase

question 14

Multiple Choice

Two coherent waves, each with intensity I₀, are in phase as they overlap in a region of space. The intensity of the superposed wave is

• A) 0.
• B) I_0.
• C) 2I_0.
• D) 3I_0.
• E) 4I_0.