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Question
In Rutherford experiment, for head-on collision of a-particles with a gold nucleus, the impact parameter is ______.
Options
of the order of 10-10 m
zero
of the order of 10-6 m
of the order of 10-14 m
MCQ
Fill in the Blanks
Solution
In Rutherford experiment, for head-on collision of a-particles with a gold nucleus, the impact parameter is zero.
Explanation:
During a head-on collision, the a-particle retraces its path making θ = 180°. Hence, the impact parameter (b) becomes zero.
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Collisions
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