Write down lens formula. Define power of a lens. What is its unit
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1) lens formula:-
1/v - 1/u = 1/f where
v =image distance
u =object distance and
f =focal length
2) power of lens:- it is a measure of the degree of convergence or divergence of light rays falling on it.
3) SI unit Is Dioptre
hope it helped
1/v - 1/u = 1/f where
v =image distance
u =object distance and
f =focal length
2) power of lens:- it is a measure of the degree of convergence or divergence of light rays falling on it.
3) SI unit Is Dioptre
hope it helped
saumya10:
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