A convex Lens of focal Length "0.15m" is made of refractive "(3)/(2)" .When it is placed in liquid,its focal Length increases by "0.225m" . Find the refractive index of the liquid.

A convex lens of focal length 0.15 m is made of material of refractive index 3/2 , When it is place4 in a liquid, its focal length is increased by 0.225 m. The refractive index of the liquid is

A double convex lens has a focal length of 25 cm in air. When it is dipped into a liquid of refractive index 4/3. its focal length is increased to 100 cm. Find the refractive index of the lens material.

Flint glass lens is made of refractive index 1.5. When it is placed in a liquid of refractive index 1.25, then its focal length will be ....

A convex lens of focal length 0.5m in air has a refractive index of 1.5.What will be its focal length when immersed in water of refractive index 1.33 ?

A convex lens of focal length .f is placed in a medium of refractive index equal to that of lens What happens to its focal length?

A double convex lens of focal length 30cm is made of glass.When it is immersed in a liquid of refractive index 1.4 the focal length is found to be 126cm .the critical angle between glass and the liquid is

A double convex lens of focal length 30cm is made of glass.When it is immersed in a liquid of refractive index 1.4 the focal length is found to be 126cm. the critical angle between glass and the liquid is