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Question
Monochromatic light is normally incident on a diffraction grating. The mthorder line is at an angle of diffraction 
and has width w. A wide single slit is now placed in front of the grating and its width is then slowly reduced. As a result:
A) both and wincrease
B) both and wdecrease
C) remains the same and wincreases
D) remains the same and wdecreases
E) decreases and wincreases
Answer
This answer is hidden. It contains 1 characters.
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