Anne looks in a mirror 12 cm in front of her. An upright, virtual image is formed 15 cm away from the mirror. The focal length of the mirror is: f= 6.67 X cm.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Example Problem on Mirror Images**

Anne looks in a mirror 12 cm in front of her. An upright, virtual image is formed 15 cm away from the mirror.

**Solution Details:**

*Focal Length Calculation:*
The focal length of the mirror is represented by \( f \). In this case, the focal length is incorrectly indicated as \( f = 6.67 \) cm with a red cross signifying the error.

*Magnification Calculation:*
The magnification is represented by \( M \). In this scenario, the correct magnification is \( M = 1.25 \), confirmed by a green checkmark.

*Key Points:*
- Distance between Anne and the mirror: 12 cm (object distance)
- Distance between the image and the mirror: 15 cm (image distance)
- Incorrect focal length provided: 6.67 cm
- Correct magnification provided: 1.25

Understanding and correctly solving these parameters are crucial in optics to describe image formation by mirrors accurately.
Transcribed Image Text:**Example Problem on Mirror Images** Anne looks in a mirror 12 cm in front of her. An upright, virtual image is formed 15 cm away from the mirror. **Solution Details:** *Focal Length Calculation:* The focal length of the mirror is represented by \( f \). In this case, the focal length is incorrectly indicated as \( f = 6.67 \) cm with a red cross signifying the error. *Magnification Calculation:* The magnification is represented by \( M \). In this scenario, the correct magnification is \( M = 1.25 \), confirmed by a green checkmark. *Key Points:* - Distance between Anne and the mirror: 12 cm (object distance) - Distance between the image and the mirror: 15 cm (image distance) - Incorrect focal length provided: 6.67 cm - Correct magnification provided: 1.25 Understanding and correctly solving these parameters are crucial in optics to describe image formation by mirrors accurately.
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