A photon of light has a wavelength of 698 nm. What is its frequency?

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 2:**

A photon of light has a wavelength of 698 nm. What is its frequency?

---

To calculate the frequency of the photon, use the formula:

\[ c = \lambda \times f \]

Where:
- \( c \) is the speed of light (approximately \( 3 \times 10^8 \) m/s),
- \( \lambda \) is the wavelength (698 nm or \( 698 \times 10^{-9} \) m),
- \( f \) is the frequency.

Rearrange the formula to solve for frequency \( f \):

\[ f = \frac{c}{\lambda} \]

Substitute the values to find the frequency.
Transcribed Image Text:**Question 2:** A photon of light has a wavelength of 698 nm. What is its frequency? --- To calculate the frequency of the photon, use the formula: \[ c = \lambda \times f \] Where: - \( c \) is the speed of light (approximately \( 3 \times 10^8 \) m/s), - \( \lambda \) is the wavelength (698 nm or \( 698 \times 10^{-9} \) m), - \( f \) is the frequency. Rearrange the formula to solve for frequency \( f \): \[ f = \frac{c}{\lambda} \] Substitute the values to find the frequency.
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