The radius of curvature for a convex lens is 40 cm, for each surface. Its refractive index is 1.5. The focal length will be

[MP PMT 1989]

40 cm

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

20 cm

No worries! We‘ve got your back. Try BYJU‘S free classes today!

80 cm

No worries! We‘ve got your back. Try BYJU‘S free classes today!

30 cm

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 40 cm

Suggest Corrections

Similar questions

The radius of curvature for a convex lens is 40 cm, for each surface. Its refractive index is 1.5. The focal length will be

[MP PMT 1989]

Q. The radius of curvature for a convex lens is 40 cm. If its refractive index is 1.5, the focal length will be __________.

Q. A double convex lens is made of glass of refractive index

1.5 .

If its focal length is

30 c m,

then radius of curvature of each of its curved surface is

If in a plano-convex lens, the radius of curvature of the convex surface is 10 cm and the focal length of the lens is 30 cm, then the refractive index of the material of lens will be

[CPMT 1986; MNR 1988; MP PMT 2002; UPSEAT 2000]

Join BYJU'S Learning Program

The radius of curvature for a convex lens is 40 cm, for each surface. Its refractive index is 1.5. The focal length will be [MP PMT 1989]

The correct option is A 40 cm

The radius of curvature for a convex lens is 40 cm, for each surface. Its refractive index is 1.5. The focal length will be

[MP PMT 1989]