The Interference and Diffraction Envelopes of a Double Slit Are

question 102

Multiple Choice

The interference and diffraction envelopes of a double slit are shown separately but to the same scale in the figure. For this arrangement, the number of fringes in the second diffraction maximum is

• A) 3.
• B) 4.
• C) 5.
• D) 7.
• E) 0.

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