Wave Optics (Diffraction)
Why can't we use the formula tan(theta) = y/D = 2(lambda)/d
where theta is angular separation
9 Replies
@Gyro Gearloose
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.wont we take Tan theta = 2y/D
no wait
we will need to use Tan theta = y/D
then use Tan 2Theta
why?
theta only covers one side of central maxima
central maxima is both above and below the line
u will need to use 2theta
hmm
sintheta = lamda/d
and calculate 2theta
yahi krna hai ig
ohhh okay
+solved @Gamertug @Dexter
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