Two Beams of Light with the Same Wavelength May Interfere

question 41

Multiple Choice

Two beams of light with the same wavelength may interfere either constructively or destructively.If the amplitude and intensity of beam 1 is A and I and the second beam has an amplitude of 3 A,what is the maximum and minimum intensity possible by combining these beams?

• A)2I and 0
• B)2I and 1.4 I
• C)10I and 2I
• D)4I and 2I
• E)16I and 4I

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