Question

46.
-
The velocity of an electron in the third orbit of hydrogen atom -
हाइड्रोजन परमाणु की ततीय कक्षा में इलेक्ट्रॉन का वेग होता है -
(A)7.28x107 cm sec-1
(B) 7.08 x 107 cm sec
(C) 7.38x 10cm sec-1
(D) 7.48x10cm sec-1
Thonoray of the third-lowest elec​

Answer 1

Answer:

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Answer 2

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