Ask a New Question

Question

What are the wavelengths of electromagnetic wave in free space that have the following frequencies?
(a) 3.00 10^19 Hz
pm
(b) 7.50 10^9 Hz
cm
13 years ago

Answers

bbwake
To a wave, wavelength * frequency = velocity.
The speed of light in vacuum = 2.99792458e8 m/s ¡Ö 3*10^8 m/s.
(a) wavelength = velocity/frequency = 3*10^8/(3*10^19) = 10^-11 m.
(b) wavelength = 3*10^8/(7.5*10^9) = 0.04 m.
13 years ago

Related Questions

At what wavelengths do Cr(III) ions absorb the maximum amounts of light? Look at your color wheel.... Why are different wavelengths used for red and blue dye in a spectrophotometer? Also..does a spec... Why are different wavelengths used for red and blue dye in a spectrophotometer? What are the wavelengths, in nanometers, of the bright lines of the hydrogen emission spectrum corre... How are different wavelengths of light affected by entering a prism? a. the shortest wavelengths... Which light wavelengths are detectable by the human eyes? A. X-ray waves b. Infrared waves c. Ultrav... Which light wavelengths are detectable by the human eyes?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%... Which light wavelengths are detectable by the human eyes?(1 point)Responsesvisible wavesvisible wave... Which light wavelengths are detectable by the human eyes? A. Visible waves b. X-ray waves c. Ultravi... The longest wavelengths of the electromagnetic spectrum are ________. Choose the best answer fr...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use