A Single-Slit Diffraction Pattern Is Formed on a Distant Screen

question 43

Multiple Choice

A single-slit diffraction pattern is formed on a distant screen.Assuming the angles involved are small,by what factor will the width of the central bright spot on the screen change if the slit width is doubled?

• A) It will be cut to one-quarter its original size.
• B) It will be cut in half.
• C) It will double.
• D) It will become four times as large.
• E) It will become eight times as large.