the focal length of a lens is -10cm.what is its nature find the power of it
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Answered by
0
focal length=-10cm=> -0.1m
we know that
P =1/f
P=1/-0.1
P=1/01/-10
P= -10/1
•P=-10D
Nature of image is real and inverted.
we know that
P =1/f
P=1/-0.1
P=1/01/-10
P= -10/1
•P=-10D
Nature of image is real and inverted.
Answered by
2
P = 1/f (if f is in metres)
= 100/f (if f is in cm)
》P = 100/(-10) = -10 D
So the lens is diverging in nature.
= 100/f (if f is in cm)
》P = 100/(-10) = -10 D
So the lens is diverging in nature.
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