find focal length of this F=1\-30 + 1/-150
Answers
Answered by
11
Answer:
Hello Mate........
f = -1/ 30 - 1/ 150
f = 0.03333 - 0.00666667
f = 0.026663 ( aporox)
Since the focal length is positive.
Therefore it can be the focal length of convex mirror or concave lense.
Answered by
5
Answer:
Answer:
Hello Mate........
f = -1/ 30 - 1/ 150
f = 0.03333 - 0.00666667
f = 0.026663 ( aporox)
Since the focal length is positive.
Therefore it can be the focal length of convex mirror or concave lense.
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