Calculate the focal length of lens of power is convex _2•75D
Answers
Answered by
0
The power of a convex lens is positive as a convex lens has a positive focal length, while the power of a concave lens is negative as concave lens has a negative focal length.
Answered by
1
Answer:
-36.36 cm
Explanation:
p=100/f
-2.75=100/f
f= -100*100/275
f = -36.36 cm
hope it helps
pls mark as brainliest
Similar questions