Approximately, the temperature corresponding to 1 eV energy, is

Question

Approximately, the temperature corresponding to 1 eV energy, is (A) 7.6 × 102 K (B) 7.7 × 103 K (C) 7.1 × 103 K (D) 7.2 × 103 K

Tardigrade Admin · Accepted Answer

Given: Energy (E)=1 eV =1.6 × 10-19 J. Average kinetic energy per molecule (E)=1.6 × 10-19 J =(3/2) k T or T=(2 ×(1.6 × 10-19)/3 k) =(2 ×(1.6 × 10-10)/3 ×(1 ⋅ 38 × 10-21)) =7.7 × 10' K (where k is Boltzman constant =1.38 × 10-23.

Q. Approximately, the temperature corresponding to 1 eV energy, is

$7.6 \times 1 0^{2} K$

$7.7 \times 1 0^{3} K$

$7.1 \times 1 0^{3} K$

$7.2 \times 1 0^{3} K$

Q. Approximately, the temperature corresponding to 1 eV energy, is

7.6×102K

7.7×103K

7.1×103K

7.2×103K

Given: Energy (E)=1eV=1.6×10−19J. Average kinetic energy per molecule (E)=1.6×10−19J =23​kT or T=3k2×(1.6×10−19)​ =3×(1⋅38×10−21)2×(1.6×10−10)​ =7.7×10′K (where k is Boltzman constant =1.38×10−23.

$7.6 \times 1 0^{2} K$

$7.7 \times 1 0^{3} K$

$7.1 \times 1 0^{3} K$

$7.2 \times 1 0^{3} K$