WB JEE 2018 | Wave Optics Question 11 | Physics

WB JEE 2018

MCQ (Single Correct Answer)

-0.25

If Young's double slit experiment is done with white light, which of the following statements will be true?

All the bright fringes will be coloured.

All the bright fringes will be white.

The central fringe will be white.

No stable interference pattern will be visible.

WB JEE 2017

MCQ (Single Correct Answer)

-0.25

Two monochromatic coherent light beams A and B have intensities L and $${{L \over 4}}$$, respectively. If these beams are superposed, the maximum and minimum intensities will be

$${{{9L} \over 4},{L \over 4}}$$

$${{{5L} \over 4}}$$ , 0

$${{{5L} \over 2}}$$ , 0

2L, $${{L \over 2}}$$

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