Ray Optics and Optical Instruments

Related Questions

• The image formed by an objective of a compound microscope is

  ---

• In the figure shown, for an angle of incidence ${{45}^{o}},$ at the top surface, what is the minimum refractive index needed for total internal reflection at vertical face

  ---

• With respect to air critical angle in a medium for light of red colour $[{{\lambda }_{1}}]$ is $\theta $. Other facts remaining same, critical angle for light of yellow colour $[{{\lambda }_{2}}$] will be

  ---

• Two vertical plane mirrors are inclined at an angle of $60^\circ $ with each other. A ray of light travelling horizontally is reflected first from one mirror and then from the other. The resultant deviation is

  ---

• A point object is placed at the center of a glass sphere of radius 6 cm and refractive index 1.5. The distance of the virtual image from the surface of the sphere is

  ---