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A delicious looking Popeye’s biscuit is placed 3 cm from a DIVERGING lens which forms an image at 5 cm. Calculate the focal length of the lens.
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4 votes
A delicious looking Popeye’s biscuit is placed 3 cm from a DIVERGING lens which forms an image at 5 cm. Calculate the focal length of the lens.

User Krupal Shah
by
4.7k points

1 Answer

4 votes

Here,

object distance(u)= -3cm;

image distance (v)= 5 cm

focal length(f) = ?

Now using lens formula for Diverging ( concave) lens


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User Vitalii Bratok
by
4.7k points
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