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Question

20 ° C

তাপমাত্রা হাইড্রোজেন অণুর বর্গমূল গড়- বর্গ কত?

1.87 \times 10^{3} m s^{- 1}

7.81 \times 10^{3} m s^{- 1}

1.91 \times 10^{3} m s^{- 1}

9.11 \times 10^{3} m s^{- 1}

ANSWER : 4

Descrption

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