Focal length of a spherical mirror is:

Equal to the radius of curvature

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

Equal to the half of the radius of curvature

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

Equal to the twice of the radius of curvature

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

Equal to the thrice of the radius of curvature

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

Open in App

Solution

The correct option is B Equal to the half of the radius of curvature
The focal length of the spherical mirror is equal to the half of the radius of the curvature of the spherical mirror.

Suggest Corrections

Similar questions

What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror) ? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.

Define:
(a) Radius of curvature of spherical mirror
(b) Focal length of spherical mirror.

Q. The focal length of a spherical mirror is twice the radius of curvature of the mirror.

Q. A spherical mirror and a thin spherical lens have focal length of

- 20 c m

. The mirror and lens will be:

Q. Define:
(i) Focus
(ii) Focal length, for a spherical mirror.
If the focal length of a convex mirror is

20 cm

, find its radius of curvature.

Join BYJU'S Learning Program

Focal length of a spherical mirror is:

The correct option is B Equal to the half of the radius of curvatureThe focal length of the spherical mirror is equal to the half of the radius of the curvature of the spherical mirror.

The correct option is B Equal to the half of the radius of curvature
The focal length of the spherical mirror is equal to the half of the radius of the curvature of the spherical mirror.