When electromagnetic radiation of wavelength 300nm falls on the surface of sodium electrons are emitted with?
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When electromagnetic radiation of wavelength 300nm falls on the surface of sodium, electrons are emitted with a kinetic energy of 1.68 × 10⁵ J mol^( -1 ) . What is the minimum energy needed to remove an electron from sodium ? What is the maximum wavelength that will cause a photoelectron to be emitted ?
Answer,
View in the above attachments.
- 1st attachment is in left side.
- 2nd attachment is in middle side.
- 3rd attachment is in right side.
- 4th attachment is in the image of visible spectrum.
The visible spectrum is ranging form 400 to 750 nanometers in wavelength and 10¹⁵ Hz is the range in frequency.
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with a kinetic energy of 1.68×10 Jmol−1
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