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JEE Mains 13-Apr-2023 Shift 1 Solved Paper

Section: Physics
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Question : 52 of 90
 
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The radius of 2‌nd ‌ orbit of He+of Bohr's model is r1 and that of fourth orbit of Be3+ is represented as r2. Now the ratio ‌
r2
r1
 is x:1. The value of x is __________
[13-Apr-2023 shift 1]
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