A parallel beam of sodium light of wavelength 5890 Ã… is incident on a thin glass plate of refractive index 1.5 such that the angle of refraction in the plate is `60^(@)`. The smallest thickness of the plate which will make it dark by reflection

Light of wavelength 6000Å is incident on a thin glass plate of refractive index 1.5 such that angle of refraction into the plate is 60^(@) . Calculate the smallest thickness of plate which will make it appear dark by reflection.

Light of wavelength 6000Å is incident on a thin glass plate of refractive index 1.5 such that angle of refraction into the plate is 60^(@) . Calculate the smallest thickness of plate which will make it appear dark by reflection.

Light of wavelength 6000Å is incident on a thin glass plate of refractive index 1.5 such that angle of refraction into the plate is 60^(@) . Calculate the smallest thickness of plate which will make it appear dark by reflection.

A parallel beam of sodium light of wavelength 6000 Å is incident on a thin glass plate of mu=1.5 , such that the angle of refraction in the plate is 60^(@) . The smallest thickness of the plate which will make it appear dark by reflected light is

A parallel beam of sodium light of wavelength 6000 Å is incident on a thin glass plate of mu=1.5 , such that the angle of refraction in the plate is 60^(@) . The smallest thickness of the plate which will make it appear dark by reflected light is

Light of wavelength 3000A is incident on a thin glass plate of refractive index 1.5 such that angle of refraction into plate is 60° .calculate the thickness of plate which will make it appear dark by reflection?

Light of wavelength 12000A is incident on a thin glass plate of refractive index 1.5 such that angle of refraction into plate is 60° .calculate the thickness of plate which will make it appear dark by reflection?

Light of wavelength 24000A is incident on a thin glass plate of refractive index 1.5 such that angle of refraction into plate is 60° .calculate the thickness of plate which will make it appear dark by reflection?

Light of wavelength 12000A is incident on a thin glass plate of refractive index 0.5 such that angle of refraction into plate is 60° .calculate the thickness of plate which will make it appear dark by reflection?

Light of wavelength 6000A is incident on a thin glass plate of refractive index 0.5 such that angle of refraction into plate is 60° .calculate the thickness of plate which will make it appear dark by reflection?