You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Power and Thin Lenses in Contact

If R 1 and R ...

Question

If R₁ and R₂ are the radii of curvature of a double convex lens, which of the following will have the largest power?

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

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

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

Open in App

Solution

The correct option is B

For R₁=R₂= 5 cm

P = 0.2 D

For R₁=R₂= 10 cm

P = 0.1 D

P = 0.05 D

Hence maximum power is obtained when For R₁=R₂= 5 cm

Suggest Corrections

Similar questions

One surface of a lens is convex and the other is concave. If the radii of curvature are $r_{1}$ and $r_{2}$ respectively, then the lens will be convex if

Q. For the following reactions, the correct reaction rates

r_{1}, r_{2}, r_{1}^{'}

r_{2}^{'}

is:

Q. Arrange the following data according to the increasing order of its focal length of given double covex lens of radius of curvature of the curved surfaces and corresponding refractive index of the material
a)

R_{1} = R_{2} = 2 c m

μ = 1.5

R_{1} = 20 c m, R_{2} = 10 c m

μ = 1.6

R_{1} = 20 c m, R_{2} = 30 c m

μ = 1.5

R_{1} = 20 c m, R_{2} = 40 c m

μ = 1.5

Q. If

R_{1}

and

R_{2}

are the radii of curvature of a doubleconvex lens. The largest power will be for

Q. Let

R_{1}

and

R_{2}

be two relations defined on a non empty set A. Which of the following statements is false? Give reasons in support of your answer.
(a) If

R_{1}

and

R_{2}

are reflexive, then so is

R_{1} \cap R_{2}

(b) If

R_{1}

and

R_{2}

are symmetric, then so is

R_{1} \cup R_{2}

R_{1}

and

R_{2}

are transitive, then so is

R_{1} \cup R_{2}

(d) If

R_{1}

and

R_{2}

are transitive, then so is

R_{1} \cap R_{2}

(e) If

R_{1}

and

R_{2}

are symmetric, then so is

R_{1} \cap R_{2}

Join BYJU'S Learning Program

If R1 and R2 are the radii of curvature of a double convex lens, which of the following will have the largest power?

The correct option is B For R1=R2= 5 cm P = 0.2 D For R1=R2= 10 cm P = 0.1 D P = 0.05 D Hence maximum power is obtained when For R1=R2= 5 cm

If R₁ and R₂ are the radii of curvature of a double convex lens, which of the following will have the largest power?

The correct option is B

For R₁=R₂= 5 cm

P = 0.2 D

For R₁=R₂= 10 cm

P = 0.1 D

P = 0.05 D

Hence maximum power is obtained when For R₁=R₂= 5 cm