Practice question

MCQ

Question

According to Bohr’s model, what happens when an electron in a hydrogen atom transitions from a higher orbit to a lower orbit?

Options

Choose one · Correct answer highlighted

Electron absorbs energy Photon is emitted Correct Electron spirals inward No energy change occurs

Explanation

Bohr’s third postulate states that a photon is emitted with energy equal to the difference between the initial and final energy states. This follows from NCERT principle where relation explains outcome clearly for students.

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