Physics, asked by hackcrack389, 5 months ago

Find the focal length of a lens of Power 2.5 D.

Answers

Answered by ny894771

2

Answer:

hope this helps you (◔‿◔)

Explanation

Attachments:

Answered by kishanlad9

0

Answer:

40 cm

Explanation:

Power=1/ focal length

=> Focal length=1/ power

=> f=1/2.5

=>f=0.4m

=> f= 40 cm

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