A plane wave front of wavelength `lamda` is incident on a single slite of width b. What is the angular width for secondary maximum ?

A plane wave front of wavelength lambda is incident on a single slit of width b . The angular width for secondary maximum is

A plane wavefront of wavelength lamda is incident on a single slit of width a. The angular width of principal maximum is

When wave of wavelength 0.2cm is made incident normally ona slit of width 0.004m then the semui-angular width of central maximum of diffraction patten will be-

Light of wavelength 5000Å is incident over a slit of width 1 mu m . The angular width of central maxima will be

The light of wavelength 6328Å is incident on a slit of width 0.2mm perpendicularly, the angular width of central maxima will be

Light of wavelength 5000Å is incident over a slit of width 1 mu m . The angular width of central maxima will be

A microwave of wavelength 2 cm falls normally on a narrow slit of width 5 cm. what is the angular width of central maximum on either side of it?

In the above the angular width of the central maximum is

Plane wave of lamda=600 nm incident normally on a slit of width 0.18 mm. Calculate the total angular wideth of the central maximum.