One electron Volt (eV) is equal to 1.6 x 10^-19 Joules. Therefore, 10 eV is equal to 1.6 x 10^-18 Joules. In order to produce 20 Joules of energy from 10 eV photons, we would require 20 x 1/(1.6 x 10^-18) = 1.25 x 10^19 particles. This demonstrates that in the world of particle physics, the Joule is a massive energy unit relative to the commonly used electron Volt.
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Can I see the book you read for I can answer and it more info because your question doesn’t make sense
The Answer is true, the saying opposites attract are true for magnets when poles match though they repel.
Answer: atmospheric is air by the earth and pressure is just someone or something doing it
Explanation:
