two lenses have powers of 4d and -4d.. their nature are...
a. concave and convex
b. convex and cincave
c. convex and convex
d. concave and concave
Answers
Answered by
2
Answer:
(B)
Explanation:
Concave and Convex
Answered by
1
Answer:
option b
it is convex and concave
convex lens have positive focal length so the power will also be positive
concave lens have negative focal length so the power will be negative
Explanation:
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