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MHT CET Physics question

PhysicsAtomsMHT CET

In an inelastic collision, an electron excites a hydrogen atom from its ground state to a M-shell state. A second electron collides instantaneously with the excited hydrogen atom in the M-shell state and ionises it. At least how much energy the second electron transfers to the atom in the M-shell state?

Answer: (B)

Solution

Ionising the atom from the M-shell (, eV) requires at least eV to be transferred; 3.4 eV is the

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Question ID VK-084834