Related InterviewSolutions

• Find out, from Table 10.3, the medium having highest optical density. Also find the medium with lowest optical density.
• Define one dioptre of power of a lens.
• Name a mirror that can give an errect and enlarged image of an object.
• Find the power of a concave lens of focal length `2 m`.
• A concave mirror produces three times magnified real image of an object placed at 10 cm in front of it. Where is the image located ?
• The radius of curvature of a spherical mirror is 20 cm. What is its focal length?
• An object is placed at a distance of `10 cm` from a convex mirror of focal length `15 cm`. Find the position and nature of the image ?
• The refractive index of diamond is `2.42`. What is the meaning of this statement ?
• Which of the following lenses would you prefer to use while reading small letters found in a dictionary ?A. A convex lens of focal length 50 cmB. A concave lens of focal length 50 cmC. A convex lens of focal length 5 cmD. A concave lens of focal length 5 cm