## Exercise 34.3A pencil that is 9.0 cm long is held perpendicular to the surface of a plane mirror with the tip of the pencil lead 12.0 cm from the mirror surface and the end of the eraser 21.0 cm from the mirror surface.### Part A**Question:**What is the length of the image of the pencil that is formed by the mirror?**Instruction:**Express your answer with the appropriate units.**Answer Box:**\( L = \underline{\phantom{Value}} \ \boxed{\phantom{Units}} \)**Submit Buttons:**- **Submit**- **Request Answer**### Part B**Question:**Which end of the image is closer to the mirror surface?**Options:**1. the end of the eraser2. the tip of the lead**Submit Buttons:**- **Submit**

Given:Height of pencil Distance between the tip of pencil and mirror Distance between the end of…

A pencil that is 9.0 cm long is held perpendicular to the surface of a plane mirror with the tip of the pencil lead 12.0 cm from the mirror surface and the end of the eraser 21.0 cm from the mirror surface. Part A What is the length of the image of the pencil that is formed by the mirror? Express your answer with the appropriate units. 1 = Submit Part B HA Value Request Answer Units Othe end of the eraser Othe tip of the lead. ? Which end of the image is closer to the mirror surface?

A pencil that is 9.0 cm long is held perpendicular to the surface of a plane mirror with the tip of the pencil lead 12.0 cm from the mirror surface and the end of the eraser 21.0 cm from the mirror surface. Part A What is the length of the image of the pencil that is formed by the mirror? Express your answer with the appropriate units. 1 = Submit Part B HA Value Request Answer Units Othe end of the eraser Othe tip of the lead. ? Which end of the image is closer to the mirror surface?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter23: Mirrors And Lenses

Section: Chapter Questions

Problem 32P

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Concept explainers

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.

Question

## Exercise 34.3

A pencil that is 9.0 cm long is held perpendicular to the surface of a plane mirror with the tip of the pencil lead 12.0 cm from the mirror surface and the end of the eraser 21.0 cm from the mirror surface.

### Part A

**Question:**
What is the length of the image of the pencil that is formed by the mirror?

**Instruction:**
Express your answer with the appropriate units.

**Answer Box:**
\( L = \underline{\phantom{Value}} \ \boxed{\phantom{Units}} \)

**Submit Buttons:**
- **Submit**
- **Request Answer**

### Part B

**Question:**
Which end of the image is closer to the mirror surface?

**Options:**
1. the end of the eraser
2. the tip of the lead

**Submit Buttons:**
- **Submit**

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