A person needs a lens of power -5.5 dioptres for correcting his di | Filo
filo Logodropdown-logo

Class 10

Science

Physics

States of Matter

view icon612
like icon150

A person needs a lens of power dioptres for correcting his distance vision. For correcting his near vision he needs a lens of power dioptre. What is the focal length of the lens required for correcting (i) distance vision, and (ii) near vision?

Solution: (i) Distant Vision :

Given, 

    Power

    Power,

    Focal length,

   

   

   

   

   

(ii) Near Vision :

Given,

Power
 
    

   

   

   

   

   

   

view icon612
like icon150
filo banner image

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

playstore logoplaystore logo
Similar Topics
sound
gravitation
heat
force and laws of motio
gravitation and floatatio