Example - 2.8 |Class 11 Chemistry NCERT Solutions |Chapter-2 | Structure of atom |Page no.39

Опубликовано: 19 Май 2026
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Example - 2.8 |Class 11 Chemistry NCERT Solutions |Chapter-2 | Structure of atom |Page no.39

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Problem 2.8:
When electromagnetic radiation of wavelength 300 nm falls on the surface of sodium electrons are emitted with a kinetic energy of 1.68 ×10⁵J/ mole .what is the minimum energy needed to remove an electron from sodium. what is the maximum wavelength that will cause of photoelectron to be emitted.


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