A convex lens is dipped in a liquid, whose refractive index is equal to the refractive index of the lens. Then, its focal length will

A convex lens is dipped in a liquid, whose refractive index is equal t

1.	A convex lens is dipped in a liquid, whose refractive index is equal to the refractive index of the lens. Then, its focal length will
Answer» become zero becomes infinite remain unchanged become small, but non - zero Solution :`(1)/(f_(1))=((mu_(G))/(mu_(e))-1)((1)/(R_(1))-(1)/(R_(2)))=(1-1)((1)/(R_(1))-(1)/(R_(2)))=0,f_(1)=OO`

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A convex lens is dipped in a liquid, whose refractive index is equal to the refractive index of the lens. Then, its focal length will

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