deondra0803
09.12.2020 •
Chemistry
What is the wavelength of a red laser with a frequency of 4.3 x 10^54 Hz
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Ответ:
The wavelength is 7.0x10⁻⁴⁷ m
Explanation:
To solve this problem we can use the equation:
c = λ*vWhere:
c is the speed of light (3x10⁸m/s)λ is the wavelenght (in m)v is the frequency (in Hz)We put the data given by the problem:
3x10⁸ m/s = λ * 4.3x10⁵⁴ HzAnd solve for λ:
λ = 7.0x10⁻⁴⁷ mОтвет:
Hey bigbraindensity !
Answer: Oxygen ( O )
Explanation:
• This is got from the electronic configuration of oxygen:
6 is the number of valency electrons