the focal length of a convex lens is 40 cm calculate the power of lens
Answers
Answered by
0
Explanation:
Given,
f
1
=+40cm
f
2
=−25cm
Power, P=
f
1
The power of combination,
P=
f
1
1
+
f
2
1
P=
+40cm
100
+
−25cm
100
P=−1.5D
Answered by
2
Answer:
trust me 2.5 is the answer l am sure
please mark as brainlist
Similar questions