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Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each of the following t?
Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each of the following transitions.
-A radio station’s channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1MHz=10^6Hz. Calculate the broadcast wavelength of the radio station 95.70 FM. Get into Meters.
-Green light has a frequency of about 6(10)^-14s-1. What is the energy of green light?
-Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1mm=10^-9m. What is the energy of the X rays? Get answ into Meters.
Question 1.
f*λ = v
(95.70*10^6)*λ = 3*10^8
λ = (3*10^8)/(95.70*10^6)
λ = 3.13m
The broadcast wavelength of the radio station 95.70 FM is 3.13m.
Question 2.
E = hf
= {[6.6×10^(−34)]*[6(10)^-14]}J
= [3.96*10^(-47)]J
Question 3.
E = hf
= h*(v/λ)
= ([6.6×10^(−34)]*{(3*10^8)/
[15*10^(-9)]})J
= [1.32*10^(-17)]J
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