Q.

In a Young's double slit experiment, the source is white light. One of the slits is covered by red filter and another by a green filter. In this case          [2025]

1 There shall be an interference pattern for red distinct from that for green.  
2 There shall be no interference fringes.  
3 There shall be alternate interference fringes of red and green.  
4 There shall be an interference pattern, where each fringe's pattern center is green and outer edges is red.  

Ans.

(2)