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Direction: Solve the following problem. Do not forget to write the given, required, formula and solution.
1. What is the wavelength (λ) of a certain Electromagnetic wave traveling in a vacuum with a frequency (f) of 3 x 1014 Hz?
2. The X-ray used by your dentist has a wavelength (λ) of 15 m. What is the frequency (f)?
3. A wave has a frequency (f) of 50 Hz and a wavelength (λ) of 10 m. What is the speed of the wave (c)?