What is the frequency of an electromagnetic wave that has a wavelength of 3.7 10-11 m in a vacuum? (The speed of light in a vacuum is 3.00 108 m/s.)A.8.1 1018 HzB.1.1 10-2 HzC.1.2 10-19 HzD.2.7 1010 Hz
Question
What is the frequency of an electromagnetic wave that has a wavelength of 3.7 10-11 m in a vacuum? (The speed of light in a vacuum is 3.00 108 m/s.)A.8.1 1018 HzB.1.1 10-2 HzC.1.2 10-19 HzD.2.7 1010 Hz
Solution
The frequency of an electromagnetic wave can be calculated using the formula:
Frequency (f) = Speed of light (c) / Wavelength (λ)
Given: Speed of light (c) = 3.00 x 10^8 m/s Wavelength (λ) = 3.7 x 10^-11 m
Substitute these values into the formula:
f = (3.00 x 10^8 m/s) / (3.7 x 10^-11 m)
f = 8.1 x 10^18 Hz
So, the frequency of the electromagnetic wave is 8.1 x 10^18 Hz. Therefore, the answer is A. 8.1 x 10^18 Hz.
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