Geometrical OpticsHard
Question
If the refractive indices of crown glass for red, yellow and violet colours are 1.5140, 1.5170 and 1.5318 respectively and for flint glass these are 1.6434, 1.6499 and 1.6852 respectively, then the dispersive powers for crown and flint glass are respectively.
Options
A.0.034 and 0.064
B.0.064 and 0.034
C.1.00 and 0.064
D.0.034 and 1.0
More Geometrical Optics Questions
An object placed 10 cm in front of a lens has an image 20 cm behind the lens. What is the power of the lens (in dioptres...A light ray is incident perpendicular to one face of a 90o prism and is totally internally reflected at the glass-air in...A light ray travelling in air is incident vertically on one face of a right angled prism with a refractive index μ ...A short linear object of length b lies along the axis of a concave mirror of focal length f, at a distance u from the mi...When a ray of light enters a glass slab from air...