A particular shade of green light has a wavelength of 5 x 10-7 meters.  How many waves of this green light strike your arm each second? 

To determine how many waves of green light strike your arm each second, we need to use the formula:

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

where:
- \(f\) is the frequency (the number of waves per second),
- \(c\) is the speed of light in a vacuum (\(3 \times 10^8 \, \text{m/s}\)),
- \(\lambda\) is the wavelength (\(5 \times 10^{-7} \, \text{m}\)).

Now, substitute the values into the formula:

\[
f = \frac{3 \times 10^8}{5 \times 10^{-7}} = 6 \times 10^{14} \, \text{Hz}
\]

This means that \(6 \times 10^{14}\) waves of green light strike your arm every second.

### Would you like more details or have any questions about this?

### Related Questions:
1. How does the frequency of light affect its color?
2. What is the relationship between wavelength and energy of light?
3. How does wavelength relate to the speed of light in different media?
4. What happens to light as it passes through a denser medium, such as water or glass?
5. Can the wavelength of green light be used in practical applications like photosynthesis?

### Tip:
Remember that as wavelength decreases, the frequency of light increases, meaning shorter wavelengths correspond to higher energy light.

A particular shade of green light has a wavelength of 5 x 10-7 meters. How many waves of this green light strike your arm each second?

Learn how to calculate the frequency of green light with a wavelength of 5 x 10^-7 meters. This problem covers key physics and mathematical concepts, including wave frequency, wavelength, and the speed of light formula. Suitable for high school students in Grades 10-12.

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