Question

a lens has a focal length of, -10cm. what is the power of the lens and what is its nature..​

Answer 1

Answer:

As the focal length is negative it is concave lens.... Power =-10 Dioptre..

Nature Of The lens virtual and diminished... as it is concave lens....

Step-by-step explanation:

$power = \frac{1}{focal \: lenght}$

$p = \frac{1}{0.1(in \: metre)}$

$p = - 10 \: m(negative \: as \: it \: is \: concave \: lens)$

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