A convex mirror of focal length 10 cm is shown in figure. A linear object A B=5 cm is placed a

Name: Problem 58, Chapter 19: Arihant AIEEE Physics
Uploaded: 2021-09-18T05:42:42-08:00
Duration: 2 min 24 s
Channel: Supratim Pal
Description: A convex mirror of focal length 10 cm is shown in figure. A linear object A B=5 cm is placed along the optical axis. Point B is at distance 25 cm from the pole of mirror. The size of image of A B is : (a) 2.5 cm (b) 0.64 cm (c) 0.36 cm (d) none of these

step 1 Hello and welcome to this video solution of numerate. So first of all, we have a convex mirror o

Question

A convex mirror of focal length $10 \mathrm{~cm}$ is shown in figure. A linear object $A B=5 \mathrm{~cm}$ is placed along the optical axis. Point $B$ is at distance $25 \mathrm{~cm}$ from the pole of mirror. The size of image of $A B$ is : (a) $2.5 \mathrm{~cm}$ (b) $0.64 \mathrm{~cm}$ (c) $0.36 \mathrm{~cm}$ (d) none of these

   A convex mirror of focal length $10 \mathrm{~cm}$ is shown in figure. A linear object $A B=5 \mathrm{~cm}$ is placed along the optical axis. Point $B$ is at distance $25 \mathrm{~cm}$ from the pole of mirror. The size of image of $A B$ is :
(a) $2.5 \mathrm{~cm}$
(b) $0.64 \mathrm{~cm}$
(c) $0.36 \mathrm{~cm}$
(d) none of these

Arihant AIEEE Physics

D.B. Singh 2006 Edition

Chapter 19, Problem 58

Instant Answer

Solved by Expert Supratim Pal

09/18/2021

Step 1

The length of the object $AB$ is $5 \, cm$ and the distance of point $B$ from the pole of the mirror is $25 \, cm$. Show more…

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A convex mirror of focal length $10 \mathrm{~cm}$ is shown in figure. A linear object $A B=5 \mathrm{~cm}$ is placed along the optical axis. Point $B$ is at distance $25 \mathrm{~cm}$ from the pole of mirror. The size of image of $A B$ is : (a) $2.5 \mathrm{~cm}$ (b) $0.64 \mathrm{~cm}$ (c) $0.36 \mathrm{~cm}$ (d) none of these

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Key Concepts

Mirror Equation

The mirror equation is a fundamental concept in geometrical optics that relates the object distance, image distance, and focal length of a mirror through the equation 1/f = 1/u + 1/v. This equation allows us to analyze and predict the positions and sizes of images formed by mirrors.

Magnification

Magnification is defined as the ratio of the height of the image to the height of the object and is also equal to the negative ratio of the image distance to the object distance. It provides insight into the size, orientation, and proportion of the image relative to the object.

Convex Mirror Properties

Convex mirrors are characterized by their outward curving reflective surface, which causes them to produce virtual, upright, and smaller images than the actual object. They have a positive focal length and are commonly used for providing wide fields of view, such as in security or vehicle side mirrors.

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