The Sun is a slightly variable star.What if the surface temperature of the Sun were to increase from 6 000 K to 6 100 K,what would be the increase in total power radiated assuming no other changes such as radius or emissivity?
A)1.6%
B)6.8%
C)3.4%
D)14%

Question

Quizplus · Accepted Answer

The total power radiated by a star like the Sun can be calculated using the Stefan-Boltzmann law, which states that the power radiated per unit area is proportional to the fourth power of the temperature (P ∝ T^4). If the temperature increases from 6000 K to 6100 K, the increase in power radiated can be calculated as (6100/6000)^4 - 1. This results in approximately a 6.8% increase in the total power radiated.

The Sun Is a Slightly Variable Star