Geometrical OpticsHard
Question
A person′s near point is 50 cm and his far point is 3 m. Power of the lenses he requires for-
(i) reading and (ii) for seeing distant stars are -
(i) reading and (ii) for seeing distant stars are -
Options
A.- 2 D and 0.33 D
B.2 D and - 0.33 D
C.- 2 D and 3 D
D.2 D and - 3 D
More Geometrical Optics Questions
If the focal length of objective lens is increased then magnifying power of...If an observer is walking away from the plane mirror with 6 m/sec. Than the velocity of this image with respect to obser...Two lenses in contact made of materials with dispersive powers in the ratio 2 : 1, behaves as an achromatic diverging fo...In a laboratory four convex lenses L1 ,L2 ,L3 ,and L4 of focal lengths 2,4,6 and 8 cm respectively are available. Two of...The image formed by an objective of a compound microscope is...