In Young's double slit experiment, angular width of fringes is 0.20o f – McqOptions

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1.	In Young's double slit experiment, angular width of fringes is 0.20o for sodium light of wavelength 5890 Å. If complete system is dipped in water, then angular width of fringes becomes [RPET 1997]
A.	0.11o
B.	0.15o
C.	0.22o
D.	0.30o
Answer» C. 0.22o

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