Bohr’s second postulate states:

Practice MCQ for SSC, UPSC, RRB Exams

A. Electron has fixed mass A.
B. Electron accelerates B.
C. Electron changes orbit randomly C.
D. Electron emits or absorbs energy when changing orbit D.

Correct Answer: D সঠিক উত্তর: D

Explanation ব্যাখ্যা

Energy is emitted or absorbed only when electrons jump between fixed orbits.

Related Questions সম্পর্কিত প্রশ্ন

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