Home Physics Atomic and Nuclear Physics Statement Based Statement I: Bohr had to postulate that the …
Physics Atomic and Nuclear Physics Statement Based MCQ (Single Correct)

Statement I: Bohr had to postulate that the electrons in stationary orbits around the nucleus do not radiate.
Statement II: According to classical physics all moving electrons radiate.
In the light of the above statements, choose the most appropriate answer from the options given below.

A
Both Statement I and Statement II are incorrect.
B
Statement I is correct but Statement II is incorrect.
C
Statement I is incorrect but Statement II is correct.
D
Both Statement I and Statement II are correct.

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Text Solution

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The correct answer is:
B

Statement I is correct but Statement II is incorrect.

Bohr postulated that electrons in stationary orbits around the nucleus do not radiate. This is the one of Bohr's postulate, according to this the moving electrons radiates only when they go from one orbit to the next lower orbit.

According to classical physics only accelerated charge particles can radiate.

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