Wein's constant is $2892 \times 1 0^{- 6} m K$ and the value of $λ_{m}$ for the moon is $14.46$ micron. The surface temperature of the moon is

Question

Wein's constant is

2892 \times 1 0^{- 6} m K

and the value of

λ_{m}

for the moon is

14.46

micron. The surface temperature of the moon is (A)

100 K

(B)

300 K

(C)

400 K

(D)

200 K

Tardigrade Admin · Accepted Answer

According to Wein's displacement law

2892 \times 1 0^{- 6} m K

T = \frac{b}{λ_{m}} = \frac{2892 \times 1 0^{- 6}}{14.46 \times 1 0^{- 6}}

T = 200 K

Q. Wein's constant is $2892 \times 1 0^{- 6} m K$ and the value of $λ_{m}$ for the moon is $14.46$ micron. The surface temperature of the moon is