Saved Bookmarks
| 1. |
A thin lens has a focal length of -25cm . What is the power of the lens and what is its nature ( type of lens ) ? ans to d above question...NO SPAM❌ |
|
Answer» Power of LENS is P= f1 ,focal LENGTH should be in meterf=−25cm=−.25mso P= −0.251 =−4DSince the focal length is negative, it is a CONCAVE lens or DIVERGING lensExplanation: |
|