[" Is a concave iens of total icugur iveme "],[" A slit of width 'a' is illuminated by a monochromatic light of wavelength "700" nm "],[" at normal incidence.Calculate the value of' a for position of first minimum at an "],[" angle of diffraction "30^(@)" ."]

A slit of width d is illuminated by a monochromatic light of wavelength 700 nm at normal incidence. Calculate the value of d for position of (i) first minimum at an angle of diffraction of 30^(@) (ii) first maximum at an angle of diffraction of 30^(@) .

A Slit of width a is illuminated by monochromatic light of wavelength 650nm at normal incidence. Calculate the value of a when the first minimum falls at an angle of diffraction of 30^@

A Slit of width a is illuminated by monochromatic light of wavelength 650nm at normal incidence. Calculate the value of a when the first maximum falls at an angle of diffraction of 30^@

A slt of width a illuminated by mono-chromatic ligth of wavelength 650 nm at normal incidence .Calculate the value of a when the first minimum falls at an angle of diffraction of 30^@ ,

A slt of width a illuminated by mono-chromatic ligth of wavelength 650 nm at normal incidence .Calculate the value of a when the first maximum falls at an angle of diffraction of 30^@ .

A slit of width a is illuminated by monochromatic light of wavelength 650 mm at normal incidence calculate the value of a when (a). The first minimum falls at an angle of diffraction of 30^(@) (b). The first maximum falls at an angle of diffraction of 30^(@) .

A slit of width a is illuminated by monochromatic light of wavelength 650 mm at normal incidence calculate the value of a when (a). The first minimum falls at an angle of diffraction of 30^(@) (b). The first maximum falls at an angle of diffraction of 30^(@) .

A slit of width a is illuminated by monochromatic light of wavelength 650 mm at normal incidence calculate the value of a when (a). The first minimum falls at an angle of diffraction of 30^(@) (b). The first maximum falls at an angle of diffraction of 30^(@) .