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If the source of light used in a Young's...

If the source of light used in a Young's Double slit Experiment is changed from red to blue,then

A

there will be a dark fringe at the centre

B

fringe pattern will shrink

C

there will be bright at the centre

D

fringe width of pattern will increase

Text Solution

Verified by Experts

The correct Answer is:
B, C
Intensity at he cantre will remain maximum and hance there will be bright light at the cantre. Wavelength of blue light fringe is less than for the red and hance fringe width will decrease and due to this , fringes will come closer or we can say that fringe pattern will shrink.
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