Physics · Modern Physics
Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R): Assertion (A): In Rutherford's alpha-particle scattering experiment, the reflection of a very small fraction of alpha particles back at a scattering angle of π led to the discovery of the atomic nucleus. Reason (R): The size of a nucleus is approximately 10-5 times the size of its atom, which explains why almost all alpha particles are rebounded. Select the correct option:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (A) and (R) are false.
- 2(A) is true but (R) is false.✓
- 3Both (A) and (R) are true but (R) is not the correct explanation of (A).
- 4Both (A) and (R) are true and (R) is the correct explanation of (A).
Correct answer
(A) is true but (R) is false.
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