Work function refers to the minimum frequency of photons required to eject an electron from its surface.
ϕ=hυo
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Q1
The minimum energy required to eject an electron from an atom is called:
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Q2
An electron is at ground state of the H atom. Minimum energy required to excite the H atom into second excited state is:
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Q3
The energy required to excite an electron of H-atom from first orbit to second orbit is :
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Q5
Amount of energy required to excite an electron of an atom from the lower energy state to its next higher energy state is defined as: