Question

A white light is passed through the two narrow slits and produced a pattern of alternating bright and dark lines on the screen as shown above. Which of the following phenomenon is responsible for the bright and dark lines on the screen?

• A. $refraction$
• B. $reflection$
• C. $polarization$
• D. $frequency$
• E. $interference$

Answer 1

The correct option is E $interference$

Due to path difference of light coming from the two slits at different points in the screen, an interference pattern is formed.
The light from the sources added up in accordance with their phases to give consecutive bright and dark fringes.