The angular width of the central maximum of the diffraction pattern in a single slit of width a experiment, with λ as the wavelength of light, is

Question

The angular width of the central maximum of the diffraction pattern in a single slit of width a experiment, with λ as the wavelength of light, is (A)  (3λ /2a)  (B)  (λ /2a)  (C)  (2λ /a)  (D)  (λ /a)

Tardigrade Admin · Accepted Answer

The central maxima lies between the first minima on both sides. The angular width of central maxima =2 θ=(2 λ/a).

Q. The angular width of the central maximum of the diffraction pattern in a single slit of width a experiment, with $λ$ as the wavelength of light, is

$\frac{3 λ}{2 a}$

$\frac{λ}{2 a}$

$\frac{2 λ}{a}$

$\frac{λ}{a}$

The central maxima lies between the first minima on both sides.
The angular width of central maxima
$= 2 θ = \frac{2 λ}{a}$ .

Q. The angular width of the central maximum of the diffraction pattern in a single slit of width a experiment, with λ as the wavelength of light, is

2a3λ​

2aλ​

a2λ​

aλ​