Related InterviewSolutions

• A simple microscope has a focal length of `5 cm` . The magnification at the least distince of distinct vision is-A. 1B. 5C. 4D. 6
• A light wave travels from glass to water. The refractive index for glass and water are `3/2 ` and `4/3` respectively. The value of the critical angle will be:A. `sin^(-1)(1/2)`B. `sin^(-1)(9/8)`C. `sin^(-1)(8/9)`D. `sin^(-1)(5/7)`
• In a compound microscope, the intermediate image isA. virtual, errect and magnifiedB. real,erect and magnifiedC. real,inverted and magnifiedD. virtual,erect and reduced
• The angular dispersion produced by a prismA. increrases if the average refractive index of the prism increasesB. increases if the average refractive index increasesC. remain constant whether the average refractive index or decreasesD. has no relation with average refractive index
• The plane face of a plano convex lens is silvered.If `mu`be the refrative index and R, the radius of curvature of curved suraface, then system will behave like a concave mirror of curvatureA. `muR`B. `R/((mu-1))`C. `(R^(2))/(mu)`D. `[((mu+1))/((mu-1))]R`
• A convex lens is made up of three different materials as shown in the figure. For a point object placed on its axis, the number of images formed are A. 5B. 1C. 3D. 4