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in Physics by (50.1k points)

गाइगर-मार्सडन के किसी प्रयोग में कोई ऐल्फा कण किसी गोल्ड नाभिक पर गतिज ऊर्जा K से उपगमन करता है। यह नाभिक से किसी दूरी d पर क्षणिक रुकता है और अपनी दिशा उत्क्रमित कर लेता है। तब d किसके अनुक्रमानुपाती है ? 

 (A) \(\frac 1{\sqrt K}\)

(B) \(\sqrt K\)

(C) \(\frac 1K\)

(D) \(K\)

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1 Answer

+1 vote
by (49.9k points)

सही विकल्प है (C) \(\frac 1K\)

\(K.E. = P.E.\)

\(K.E. = 2e\left( \frac {KZe}r\right)\) 

\(r = \frac {2KZe^2}{K.E}\)

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