The convergence of a concave mirror can be de | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) The convergence (or power) of a mirror is defined by its focal length,which is given by $f = R/2$. This focal length depends only on the radius of

Vedclass · Accepted Answer

None of these

Vedclass · Answer

(D) The convergence (or power) of a mirror is defined by its focal length,which is given by $f = R/2$. This focal length depends only on the radius of curvature $R$ of the mirror surface. Unlike lenses,the reflection of light by a mirror does not depend on the refractive index of the surrounding medium. Therefore,dipping a concave mirror in any medium like water or oil does not change its focal length or its convergence. Thus,the correct answer is $D$.

The convergence of a concave mirror can be decreased by dipping it in which of the following?

Similar Questions

If the lateral magnification is $-2$ for a virtual object in a spherical mirror,then:

Explain the ray diagram for the image obtained by a concave mirror by considering three rays.

An object of length $f/3$ is placed on the principal axis of a concave mirror of focal length $f$. The image of the end of the object farthest from the mirror is formed at the same position. Find the length of the image.

Let the transverse magnification produced by a spherical mirror be $m$. Then,for the same position of the object,the longitudinal magnification will be:

If the distance between an object and its two times magnified virtual image produced by a curved mirror is $15 \,cm$, the focal length of the mirror must be:

Vedclass Test Series

Exam Paper Generator

Online Exam Module