A double slit arrangement produces interference fringes for sodium light (λ=589nm) that have an angular separation of 3.50×10−3 radian. For what wavelength would the angular separation be 10% greater?
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
527 nm
b
648 nm
c
722 nm
d
449 nm
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Angular separation =λdFor angular separation to be 10% greater λ should be 10% greater.New wavelength is 589+58910nmor (589 + 58.9) nm, i.e., 647.9 nm, i.e., 648 nm.