A slit of width a is illuminated by red light of wavelength 650 nm. The first diffraction minimum is observed at an angle `theta_(1) = 5.2^(@)` from the direction of the incident beam.
The width of the slit a in mm is

A slit of width a is illuminated by red light of wavelength 650 nm. The first diffraction minimum is observed at an angle theta_(1) = 5.2^(@) from the direction of the incident beam. The angle theta_(2) at which the second minimum is observed is

A slit of width a illuminated by red light of wavelength 6500 Å . The first minimum will fall at theta=30^(@) if a is

The first minimum of a single slit diffraction pattern is observed at angle 2^(@) with a light of wavelength 698 nm. The width of this slit is

The first diffraction minima in a single slit diffraction pattern is at theta=30^(@) , for light of wavelength=5000 Å. The width of the slit is

The first diffraction minima due to a single slit diffraction is at theta=30^(@) for a light of wavelength 5000Å The width of the slit is

The first diffraction minima due to a single slit diffraction is at theta=30^(@) for a light of wavelength 5000Å The width of the slit is

A slit of width 'a' is illuminated by a light of wavelength 6000Å . For what value of 'a' will be first maximum fall at an angle of diffraction of 30° ?

A slit of width a is illuminated by white light. For what value of a does the first minimum for red light of wavelength 650 nm fall at angle of diffraction theta=15^(@) ?