JEE Main 15 Apr 2018 Shift 2 Solved Paper
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Question : 17 of 90
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The value closest to the thermal velocity of a Helium atom at room temperature ( 300 K ) in m s − 1 [ k B = 1.4 × 10 − 23 J ∕ K ; m H e = 7 × 10 − 27 k g ]
[15 Apr 2018 Shift 2]
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