Two glass plates, each with an index of refraction of 1.55, are separated by a small distance D. The space between the plates is filled with water (n = 1.33) as shown. For which one of the following conditions will the reflected light appear green?
Note: The wavelength of green light is 460 nm in vacuum.

Light of wavelength lambda in vacuum strikes a lens that is made of glass with index of refraction 1.6. The lens has been coated with a film of thickness t and index of refraction 1.3. For which one of the following conditions will there be no reflection?

A system of two parallel plates, each of area A, are separated by distance d_(1) and d_(2) . The space between them is filled with dielectrices of permitivities epsilon_(1) and epsilon)_(2) . The permittivity of free space is epsilon_(0) . The equivalent capacitance of the system is

Monochromatic light of wavelength 589nm is incident from air on a water surface. Given, refractive index of water is 1.33. Which of the following statement(s) is/are correct? I. Frequency of reflected light and refracted light are same. II. Wavelength of reflected light is more than that of refracted light. III. Speed of reflected light is equal to that of refracted light. IV. Intensity of reflected light is always more than that of refracted light.

Blue light with a wavelength of 425 nm passes from a vacuum into a glass lens, and the index of refraction is found to be 1.65. The glass lens is replaced with a plastic lens. The index of refraction for the plastic lens is 1.54. In which one of the two lenses does the light have the greatest speed and what is that speed ?

A double slit apparatus is immersed in a liquid of refractive index 1.33. it has slit separation of 1 mm and distance between the plane of the slits and the screen is 1.33 m. the slits are illuminated by a parallel beam of light whose wavelength in air is 6300 Å. what is the fringe width?

A double-slit experiment is immersed in a liquid of refractive index 1.33. It has slit separation of 1 mm and distance between the plane of slits and screen is 1.33 m. The slits are illuminated by a parallel bam of light whose wavelength in air is 6830 Å . Then the fringe width is

An oil film covers the surface of a small pond. The refractive index of the oil is greater than that of water. At one point on the film, the film has the smallest non-zero thickness for which there will be destructive interference in the reflected light when infrared radiation with wavelength 800 nm is incident normal to the film. When this film is viewed at normal incidence at this same point, for what visible wavelengths, if any, will there be constructive interference? (Visible light has wavelengths between 400nm and 700 nm )

Light has a wavelength 600 nm in free space. it passes into the glass , which has an index of refraction of 1.50 what is the frequency of the light inside the glass?

A parallel plate capacitor has the space between its plates filled by two slabs of thickness (d)/(2) each and dielectric constant K_(1) and K_2 . d is the plate separation of the capacitor. The capacitance of the capacitor is

A double - slit apparatus is immersed in a liquid of refractive index 1.33 it has slit separation of 1mm and distance between the plane of slits and screen 1.33 m the slits are illuminated by a parallel beam of light whose wavelength in air is 800 nm. (i) Calculate the fringe width. (ii) One of the slits of apparatus is covered by a thin glass sheet of refractive index 1.53 Find the smallest thickness of the sheet to bring the adjacent minima on the axis.