The temperature at which protons in proton gas would have enough energy to overcome Coulomb barrier of 4.14 × 10-14 J is

Q: The temperature at which protons in proton gas would have enough energy to overcome Coulomb barrier of 4.14 × 10-14 J is (Boltzman constant = 1.38 × 10-23 JK-1)

(a) 2 × 109 K

(b) 109 K

(c) 6 × 109 K

(d) 3 × 109 K

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Ans: (a)