A beam of monochromatic orange light has a wavelength of 612 nm612\text{ nm}612 nm in a vacuum. The light is incident on the plane surface of a transparent flint glass block which has a refractive index of 1.66.
Calculate the speed, wavelength, and photon energy of the light inside the flint glass block, and state for each quantity how it compares (increases, decreases, or remains unchanged) to its value in the vacuum.
Speed of light in a vacuum, c=3.00×108 m s−1 \text{Speed of light in a vacuum, } c = 3.00 \times 10^8\text{ m s}^{-1} Speed of light in a vacuum, c=3.00×108 m s−1 Planck constant, h=6.63×10−34 J s \text{Planck constant, } h = 6.63 \times 10^{-34}\text{ J s} Planck constant, h=6.63×10−34 J s
