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Human Eye and Colourful World | Human Eye and Colourful World - Exercise

Question 3

A person needs a lens of power –4.5 D for correction of her vision.

What is the focal length of the corrective lens?

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P=1/𝑓 f=1/𝑝= 1/4.5 𝐷 = 0.22 m

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subject-cta

Question 3

A person needs a lens of power –4.5 D for correction of her vision.

What is the focal length of the corrective lens?

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

P=1/𝑓 f=1/𝑝= 1/4.5 𝐷 = 0.22 m

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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