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Wave Optics
Question
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If an electron jumps from 1st orbit to 2rd orbit, then it will
  • absorb energy

  • release energy

  • no gain of energy

  • none of these

Answer

A.

absorb energy

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Some More Questions From Wave Optics Chapter

The size of the atom in Thomson's model is _________ the atomic size in Rutherford's model. (much greater than/no different from/much less than)

In the ground state of __________ electrons are in stable equilibrium, while in __________ electrons always experience a net force. (Thomson's model/Rutherford's model).

A classical atom based on __________ is doomed to collapse. (Thomson's model/Rutherford's model)

An atom has a nearly continuous mass distribution in a _____________ but has a highly non-uniform mass distribution in __________ (Thomson's model/Rutherford's model)

The positively charged part of the atom possesses most of the mass in ___________ (Rutherford's model/both the models).

Suppose you are given a chance to repeat the alpha-particle scattering experiment using a thin sheet of solid hydrogen in place of the gold foil. (Hydrogen is a solid at temperatures below 14 K.) What results do you expect?