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JEE Mains 30-Jan-2023 Shift 1 Solved Paper

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Question : 8

Total: 90

Speed of an electron in Bohr's 7‌th ‌ orbit for Hydrogen atom is 3.6×106m∕ s. The corresponding speed of the electron in 3‌rd ‌ orbit, in m∕ s is :

[30-Jan-2023 Shift 1]

(1.8×106)
(7.5×106)
(3.6×106)
(8.4×106)

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