When electromagnetic radiation of wavelength 300nm falls on the surface of sodium , electrons are emitted with a kinetic energy of 1.68 ×10^5J /mol . 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 ?

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Q. When electromagnetic radiation at wavelength 300nm falls on the surface of sodium, electrons are emitted with a kinetic energy of

1.68 \times 10^{5} J {m o l}^{- 1}

. What Is the minimum energy needed to remove an electron from sodium?

Q. When electromagnetic radiation of wavelength

300 n m

falls on the surface of sodium, electrons are emitted with a kinetic energy of

1.68 \times 10^{5} J m o l^{- 1}

. What is the maximum wavelength that will cause a photoelectron to be emitted?

Q. When electromagnetic radiation of wavelength 300 nm falls on the surface of sodium, electrons are emitted with a kinetic energy of

1.68 \times 10^{5} J m o l^{- 1}

. What is the minimum energy needed to remove an electron from sodium?

When electromagnetic radiation of wavelength 300 nm falls on the surface of sodium, electrons are emitted with a kinetic energy of 1.68×105J mol−1. What is the maximum wavelength that will cause a photoelectron to be emitted?

Q. When electromagnetic radiation of wavelength 300 nm falls on the surface of sodium, electrons are emitted with a kinetic energy of

1.68 \times 10^{5} J m o l^{- 1}

. What is the minimum energy needed to remove an electron from sodium?

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