CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Lets say far point of a myopic eye is 50 cm. It mean that he can only see till 50cm . So what should be the power of concave lens so that he can see object placed at infinite?

Open in App
Solution

Focal length= -farpoint
​ = -50 cm
p = power
p = 1/f ( f in metre)
p = 100/f (if f is in cm)
p=-100/50
p=-10/5
p=-2D Concave lens diverging lens
-ve sign indicates that it is concave lens.

flag
Suggest Corrections
thumbs-up
24
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon