Which physical quantity does the unit diopter represent?

The power of the lens

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

The radius of curvature of the lens

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

The focal length of the lens

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

Twice the focal length of the lens

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

Open in App

Solution

The correct option is A
The power of the lens

The unit of Power of a lens is diopters. Power of a lens is the reciprocal of Focal Length in meters.

Suggest Corrections

Similar questions

Question 8
Which of the following statements is true?
(a) A convex lens has 4 dioptre power having a focal length 0.25 m.
(b) A convex lens has -4 dioptre power having a focal length -0.25 m.
(c) A concave lens has 4 dioptre power having a focal length 0.25 m.
(d) A concave lens has 4 dioptre power having a focal length -0.25 m.

Q. 1 dioptre is the power of a lens whose focal length is:

Q. A thin lens has a focal length

- 25 c m

. Calculate the power of lens in dioptre.

Q. The power of a lens whose focal length is one metre is ______ dioptre.

Q. Two convex lens of focal length 0.2 m and one concave lens of focal length 0.1 m is kept, as shown below. What is the effective power of the combination of the lens?

Join BYJU'S Learning Program

Which physical quantity does the unit diopter represent?

The correct option is A The power of the lensThe unit of Power of a lens is diopters. Power of a lens is the reciprocal of Focal Length in meters.

The correct option is A
The power of the lens

The unit of Power of a lens is diopters. Power of a lens is the reciprocal of Focal Length in meters.