A person can see the objects lying between 25 cm and 10 m from his eye. His vision can be corrected by using lens of power:

His distance of distinct vision at 25 cm is normal. By using a concave lens of focal length 10 m he will be able to see distant objects.

P =1 /f 

  =1/ -10 m

  =-0.1 D

Was this answer helpful?

  
   

5 (2)

Upvote (2)

Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*

BOOK

Free Class

Ask
Question