PhysicsMedium251×since 2002Q7361The value closest to the thermal velocity of a Helium atom at room temperature (300 K) in ms⁻¹ is : [k_B =1.4 ×\times× 10⁻²³ J/K; m_He = 7 ×\times× 10 ⁻²⁷ kg ]A1.3 ×\times× 10⁴B1.3 ×\times× 10³C1.3 ×\times× 10⁵D1.3 ×\times× 10²Check answerSkip