Physics, asked by amazumder869, 7 months ago

11. The power of a lens is -2 D. It's focal length is
+50 cm
-100 cm
-50 cm
+100 cm

Answers

Answered by kakarot53

0

Answer:

1/f=D

1/f= -2D

f= -1/2m

f= -50cm

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