Ray Optics and Optical Instruments

Related Questions

• The refractive index of a piece of transparent quartz is the greatest for

  ---

• For a material, the refractive indices for red, violet and yellow colour light are respectively 1.52, 1.64 and 1.60. The dispersive power of the material is

  ---

• Light rays from a source are incident on a glass prism of index of refraction $\mu $ and angle of prism $\alpha $. At near normal incidence, the angle of deviation of the emerging rays is

  ---

• The diameter of the objective of the telescope is 0.1 metre and wavelength of light is 6000 Å. Its resolving power would be approximately

  ---

• The refractive index of a prism for a monochromatic wave is $\sqrt{2}$ and its refracting angle is 60°. For minimum deviation, the angle of incidence will be

  ---