If power of the convex lens is 4d , then find length of that lens.
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P,Power of lens
f,focal length
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P= 100/f cm
4=100/f cm
f=100/4 cm
f=25cm
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Focal Lenght of lens is 25cm
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f,focal length
__________________
P= 100/f cm
4=100/f cm
f=100/4 cm
f=25cm
_________________
Focal Lenght of lens is 25cm
Mark as brainliest
mohdmehdi053:
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