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Moseley's Law

A photon of w...

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A photon of wavelength 4*10^-7 strikes on metal surface ; the work function of the metal being 2.13ev . Calculate (1) the energy of the photon , (ii) the kinetic energy of the emission (iii) the velocity of the photoelectron.

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A photon of wavelength 4 × 10^–7 m strikes on metal surface, the work function of the metal being 2.13 eV. Calculate (i) the energy of the photon (eV), (ii) the kinetic energy of the emission, and (iii) the velocity of the photoelectron (1 eV= 1.6020 × 10^–19 J).

Q. A photon of wavelength

4 \times 10^{- 7}

m strikes on metal surface, the work function of the metal being

2.13 e V

(i) the energy of the phpton (eV),

(ii) the kinetic energy of the emission,
(iii) the velocity of the photoelectron.

(1 e V = 1.6020 \times 10^{- 19} J) .

Q. A photon of wavelength

4 \times 10^{- 7}

m strikes on a metal surface, the work function of the metal is 2.13 eV.

(i) The energy of the photon (eV)
(ii) The kinetic energy of the emission
(iii) The velocity of the photoelectron.

[1 e V = 1.6020 \times 10^{- 19} J]

.

Q. a) Explain Aufbau principle in detail. Write the increasing order energy of orbitals upto 5d.
b) A photon of wavelength

4 \times 10^{- 7} m

strikes on metal surface, the work function of the metal being 2.13 eV. Calculate
(i) the energy of photon (eV)
(ii) the kinetic energy of the emission, and
(ii) the velocity of the photoelectron.

(1 e V = 1.6020 \times 10^{- 19} J)

Q. A photon of wavelength

4000 ˚ A

strikes a metal surface, the work function of the metal being

2.13 e V

. The energy of the photon in

e V

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