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
A ray of light travelling in the direction is incident on a plane mirror. After reflection,it travels along the directio...When a ray of light enters a glass slab from air...A telescope has an objective lens of focal length 150 cm and an eyepiece of focal length 5 cm. If a 50 m talltower at a ...Two point white dots are 1 mm apart on a black paper. They are viewed by eye of pupil diameter 3 mm. Approximately, what...A short sighted person can see distinctly only those objects which lie between 10 cm and 100 cm from him. The power of t...