-What is the wavelength of a 2.28 x 1017 Hz wave?
1 answer:
I attached the working and the answer to both questions below.
Please note that C = speed of light, ν = frequency, λ= wavelength
<span>The wavelength of a 2.28 x 10</span>¹⁷<span> Hz wave is 1.31 </span>×<span> 10</span>⁷ cm<span>
The frequency of a 7.30 x 10</span>⁻⁵<span> m wave 4.11 </span>×<span> 10</span>¹² s⁻¹
Please note that C = speed of light, ν = frequency, λ= wavelength
<span>The wavelength of a 2.28 x 10</span>¹⁷<span> Hz wave is 1.31 </span>×<span> 10</span>⁷ cm<span>
The frequency of a 7.30 x 10</span>⁻⁵<span> m wave 4.11 </span>×<span> 10</span>¹² s⁻¹
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Answer:
Wavelength of light in (nm) = 579 nm
Explanation:
At first you find out the amount of energy needed to just eject one electron. This is given by
this energy is given in question in kj/mole. This is the work function of cesium for each electron is equal to the planc'k einstein equation.
