Question

8. In a Young's double slit
experiment,the slit separation is
doubled. To maintain the same
fringe spacing on the screen, the
screen to slit distance D must be
changed to
O D/2
2 D
O D/v2
O V2 D​

Answer 1

Explanation:

Fringe width, β=Dλ/d When the distance D between the slits and the screen is doubled, the fringe width also gets doubled