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  • In a Young’s double slit experiment, the source is white light. One of the holes is covered by a red filter and another by a blue filter. In this case, <stron

In a Young’s double slit experiment, the source is white light. One of the holes is covered by a red filter and another by a blue filter. In this case, 

Option: 1

there shall be alternate interference patterns of red and blue


Option: 2

there shall be an interference pattern for red distinct from that for blue


Option: 3

there shall be no interference fringes


Option: 4

there shall be an interference pattern for red mixing with one for blue


Answers (1)

best_answer

For the interference pattern to be formed on the screen the sources should be coherent and emits lights of same frequency and wavelength.
In a Young's double slit experiment, when one of the holes is covered by a red filter and another by a blue filter. In this case due to filtration only red and blue lights are present. In YDSE monochromatic light is used for the formation of fringes on the screen. Hence, in this case there shall be no interference fringes.

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