hey mate
the lens is obviously a concave one because it's power is -ve
and we know that power =1/f
so the focal length of this lens is 1/-3.78
hope it helps you
Answer:
Explanation:
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Answers & Comments
hey mate
the lens is obviously a concave one because it's power is -ve
and we know that power =1/f
so the focal length of this lens is 1/-3.78
hope it helps you
Answer:
the lens is obviously a concave one because it's power is -ve
and we know that power =1/f
so the focal length of this lens is 1/-3.78
Explanation: