In single slit fraunhoffer diffraction which type of wavefront is required-

In a single slit diffraction pattern

In a single slit diffraction pattern

In single slit diffraction pattern :

The first diffraction minimum due to a single slit Fraunhoffer diffraction is at the angle of diffraction 30^(@) for a light of wavelength 5460A^(@) . The width of the slit is

A single slit Fraunhoffer diffraction patternn is formed with white light. For what wavelength of light the third secondary maximum in the diffraction pattern coincides with the second secondary maximum in the patternn of red light of wavelength 6300 Å?

A single slit Fraunhoffer diffraction pattern is formed with white light. For what wavelength of light the third secondary maximum in the diffraction pattern coincides with the second secondary maximum in the pattern for red light of wavelength 6500 overset@A ?