Science, asked by raja7883123, 6 months ago

The power of a lens is 2 dioptres. Its focal
length would be
(a) 25 m
(b) 100 cm
(c) 200 cm (d) 50 cm

Answers

Answered by hamidaj68

3

Answer:

P=2D

Explanation:

P=1/f

2=1/f

f=1/2

=0.5m

=50cm

d. 50cm

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