Author Question: A single-slit diffraction pattern is formed on a distant screen. Assuming the angles involved are ... (Read 18 times)

OSWALD · **on:** Jul 29, 2018

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 distance from the slit to the screen 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.

Question 2

If no net external force acts on a system, the total momentum of the system is a conserved quantity.

Indicate whether the statement is true or false