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Physics
If yellow light emitted by sodium lamp in Young’s double slit experiment is replaced by monochromatic blue light of the same intensity
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Q. If yellow light emitted by sodium lamp in Young’s double slit experiment is replaced by monochromatic blue light of the same intensity
Wave Optics
A
fringe width will decrease
B
fringe width will increase
C
fringe width will remain unchanged
D
fringes will become less intense
Solution:
As $\lambda$ decreases, fringe width $(W)$ decreases, as $W=\frac{D \lambda}{d}$