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Atomic and Nuclear Physics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsAtomic and Nuclear Physics1 Mark
Question

Assertion  : Bohr had to postulate that the electrons in stationary orbits around the nucleus do not radiate.

Reason      : According to classical physics all moving electrons radiate.

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(c) If assertion is true but reason is false.

(d) If the assertion and reason both are false.

✓

Answer

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

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