an object placed 22.5 cm from a lens forms an image on a screen placed 45 cm on the other side of lens. state type of lens determine its focal length and power
Answers
Answered by
3
it is convex lens.....
Attachments:
![](https://hi-static.z-dn.net/files/d4c/d314a59cf72c0c7cdc0140ff5013576d.jpg)
PatelShane:
Yours power is wrong its 6.67 D
Similar questions