A beam of light in air is incident upon the smooth plane surface of a piece of flint glass making an angle of 30 with its plane. If the reflected beam and refracted beam are perpendicular to each other, what is the index of refraction of flint glass with respect to air? |
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(a) |
½ |
(b) |
(c) |
(d) |
A beam of light in air is incident upon the smooth plane surface of a piece of flint glass making an angle of 30 with its plane. If the reflected beam and refracted beam are perpendicular to each other, what is the index of refraction of flint glass with respect to air? |
|||||||
(a) |
½ |
(b) |
(c) |
(d) |