The minimum amount of heat energy required to emit an electron from a metal surface is called

Photoelectric Work function

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Thermionic Work Function or Threshold Energy

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Ionisation Potential or Threshold Energy

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Ionisation Energy or Threshold Energy

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Solution

The correct option is B
Thermionic Work Function or Threshold Energy

The minimum amount of heat energy required to emit an electron from a metal surface is called Thermionic Work Function or Threshold Energy

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Similar questions

Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength 6800 Å. Calculate threshold frequency () and work function (W₀) of the metal.

Q. Threshold wavelength for a metal having work function

ω_{0}

λ

. Then the threshold wavelength for the metal having work function 2

ω_{0}

Q. Threshold frequency,

v_{0}

is the minimum frequency which a photon must possess to eject an electron from a metal. It is different for different metals. When a photon of frequency

1.0 \times 10^{15} S^{- 1}

was allowed to hit a metal surface, an electron having

1.988 \times 10^{- 19} J

of kinetic energy was emitted. The threshold frequency of this metal is:

Q. The minimum amount of energy required to emit an electron from a metal surface is called

Q. The threshold wavelength for a metal with work function

W_{0}

λ_{0}

. What is the threshold wavelength for a metal whose work function is

\frac{W_{0}}{2}

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The minimum amount of heat energy required to emit an electron from a metal surface is called

The correct option is B Thermionic Work Function or Threshold EnergyThe minimum amount of heat energy required to emit an electron from a metal surface is called Thermionic Work Function or Threshold Energy

The correct option is B
Thermionic Work Function or Threshold Energy

The minimum amount of heat energy required to emit an electron from a metal surface is called Thermionic Work Function or Threshold Energy