YDSE Question

Ans : A,C

plz help me out with this problem.

5 Answers

71
Vivek @ Born this Way ·

Obviously those wavelength will be missing , who form minima at that point.

262
Aditya Bhutra ·

why will it form a minima ?? path diff. is zero.

71
Vivek @ Born this Way ·

Path difference zero? No it isn't.

262
Aditya Bhutra ·

@vivek - thanks for pointing that out.
i had misread the problem .

done now :)

1
vikrant001 ·

I label the two slits as A and B ( in top- down manner), at P just calculate the path difference between the two rays ,
d2 + b2 - d = Δp,
set Δp = (2n+1)* λ/2 and apply binomial approximation, rest is simple substitution...

Your Answer

Close [X]