Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

Figure 12 shows an experimental arrangement `S_1S_2` and S are narrow slits.

State what is observed on the screen when the source is?
(a) Monochromatic
(b) White light

Answer Text:
a) Alternate dark and bright fringes are observed or alternate dark and bright bands are observed.
b)- Coloured fringes OR coloured bands.