Question

In an interference pattern that is produced by two identical slits the intensity at central maxima is I. intensity at same spot when another slit is added is?

Answer 1

Answer:

ANSWER

I

1

=I

2

=a

2

I

max

=(a+a)

2

=(2a)

2

=4a

2

=I

When one of the slits is closed, intensity is

I

1

=a

2

=

4

I