Question

The amount of radiation emitted by a perfectly black body is proportional to

• A. Temperature on ideal gas scale
• B. Fourth root of temperature on ideal gas scale
• C. Fourth power of temperature on ideal gas scale
• D. Source of temperature on ideal gas scale

Answer 1

Answer: (C)

Fourth power of temperature on ideal gas scale

Answer 2

$E \propto T ^ { 4 }$ (Stefan’s law)