
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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![**Question:**
A piece of glass has an index of refraction of 1.61. What is the speed of light through the glass in m/s?
**Answer:** [__________]
**Explanation:**
To find the speed of light in the glass, use the formula:
\[ \text{Speed of light in material} = \frac{\text{Speed of light in vacuum}}{\text{Index of refraction}} \]
Where:
- Speed of light in vacuum = \( 3.00 \times 10^8 \) m/s
- Index of refraction of glass = 1.61
Substitute the given values into the formula:
\[ \text{Speed of light in glass} = \frac{3.00 \times 10^8 \text{ m/s}}{1.61} \]
\[ \text{Speed of light in glass} \approx 1.86 \times 10^8 \text{ m/s} \]
Enter the calculated speed of light in the answer box.](https://content.bartleby.com/qna-images/question/6c56dfd1-d4da-4f89-9512-067c009f19a0/4af04dfa-a09e-4848-a41f-826dac9e941d/7bizfni_thumbnail.png)
Transcribed Image Text:**Question:**
A piece of glass has an index of refraction of 1.61. What is the speed of light through the glass in m/s?
**Answer:** [__________]
**Explanation:**
To find the speed of light in the glass, use the formula:
\[ \text{Speed of light in material} = \frac{\text{Speed of light in vacuum}}{\text{Index of refraction}} \]
Where:
- Speed of light in vacuum = \( 3.00 \times 10^8 \) m/s
- Index of refraction of glass = 1.61
Substitute the given values into the formula:
\[ \text{Speed of light in glass} = \frac{3.00 \times 10^8 \text{ m/s}}{1.61} \]
\[ \text{Speed of light in glass} \approx 1.86 \times 10^8 \text{ m/s} \]
Enter the calculated speed of light in the answer box.
Expert Solution

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Step 1
Given data:
Index of refraction (n) = 1.61
Required:
Speed of light through the glass
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