Question

Fill in blank:
Increasing the distance between a pair of slits through which light is being shone would ___ the distance between nodal lines appearing on a screen

Answer 1

Look at the equation for the nodal distances along the screen, from \(\theta=0\), is \(y_m=m\dfrac{\lambda L}{d}\), where d is distance between the slits. The smalller d gets, the larger the numerator gets - which is the spacing between the nodes.

Answer 2

thanks!

Answer 3

no problem!