Question

The temperature of sun is 5500 K and it emits maximum intensity radiation in the yellow region $11 \times 10 ^ { - 7 } \mathrm {~m}$The temperature of furnace is

• A. 1125 K
• B. 2750 K
• C. 5500 K
• D. 11000 K

Answer 1

Answer: (B)

2750 K

Answer 2

$\lambda _ { m _ { 1 } } T = \lambda _ { m _ { 2 } } T _ { 2 }$ ⇒

$T = 550 \times 5 K = 2750 K$