Math, asked by chakkulm10, 1 year ago

a person needs a lens of power -5 diopter for correcting his distant vision. what is the focal length os the lens used

a)-2.0m
b)2.0m
c)-20cm
d)20cm

it's from science not maths
plsss...... answer fast very urgent
stuck in my tuition hw pls.....

Answers

Answered by prashantsinghtiwari

2

Answer:

C

Step-by-step explanation:

p=100/F here P is power and F is focul length

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