Wave OpticsHard
Question
Which of the following are true for a single slit diffraction?
Options
A.Width of central maxima increases with increase in wavelength keeping slit width constant.
B.Width of central maxima increases with decrease in wavelength keeping slit width constant.
C.Width of central maxima increases with decrease in slit width at constant wavelength.
D.Width of central maxima increases with increase in slit width at constant wavelength.
Solution
$\beta_{cm} = \frac{2\lambda D}{a}$
(A) Correct $\beta \propto \lambda$
(B) Incorrect
(C) Correct $\beta \propto \frac{1}{d}$
(D) Incorrect
(E) Correct
Statement A, C & E are correct. NTA Ans- 1 , Ans. (Bonus)
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