a convex lens has a focal length of 50 cm its power be---
A)2D
B)5D
C)0.5D
D)0.02D
Answers
Answered by
2
hlo mate ✌️
a convex lens has a focal length of 50 cm its power be---
A)2D
B)5D
C)0.5D
D)0.02D ✓
Power = 1/focal length
Power = 1/50 --> 0.02D
Hope it helps ❣️
Answered by
2
Answer :-
2 D
Explanation:-
No Copied from Google
The formula of calculating power :-
Power = 1/focal length (in m)
= 1/0.5
= 2 D
This is the focal length of Convex lens so the focal length is positive
Therefore, The answer is 2 Diopter
hope you understand my Answer friend
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