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Physics
Diffraction pattern is observed using green light. When green light is replaced by re light
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Q. Diffraction pattern is observed using green light. When green light is replaced by re light
COMEDK
COMEDK 2010
Wave Optics
A
no change is observed
5%
B
bands become narrower and crowded
29%
C
bands become broader and well separated
59%
D
bands disappear
6%
Solution:
In case of diffraction due to a single slit, $\beta \propto \lambda $ .When green light is replaced by red light, wavelength increases. Therefore, bands become broader.