Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![**Question: Calculating the Wavelength of a Photon**
What is the wavelength (in nm) of a photon if the energy is \(7.15 \times 10^{-19}\) J?
Given:
- Planck’s constant (\(h\)) = \(6.626 \times 10^{-34}\) J•s
**Explanation:**
To find the wavelength, use the formula:
\[
\lambda = \frac{hc}{E}
\]
Where:
- \(\lambda\) is the wavelength,
- \(h\) is Planck’s constant,
- \(c\) is the speed of light (\(3.00 \times 10^8\) m/s),
- \(E\) is the energy of the photon.
To convert the result to nanometers (nm), recall that \(1 \text{ m} = 10^9 \text{ nm}\).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe4d6d77-5706-4591-abb1-46f6792610b9%2Fdfd12c66-6c94-47a5-8689-e32057177f4f%2F73e9y1_processed.png&w=3840&q=75)
Transcribed Image Text:**Question: Calculating the Wavelength of a Photon**
What is the wavelength (in nm) of a photon if the energy is \(7.15 \times 10^{-19}\) J?
Given:
- Planck’s constant (\(h\)) = \(6.626 \times 10^{-34}\) J•s
**Explanation:**
To find the wavelength, use the formula:
\[
\lambda = \frac{hc}{E}
\]
Where:
- \(\lambda\) is the wavelength,
- \(h\) is Planck’s constant,
- \(c\) is the speed of light (\(3.00 \times 10^8\) m/s),
- \(E\) is the energy of the photon.
To convert the result to nanometers (nm), recall that \(1 \text{ m} = 10^9 \text{ nm}\).
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