One star has a temperature of 10,000 K and another star has a temperature of 5000 K Compared to the cooler star,how much more energy per second will the hotter star radiate from each square meter of its surface? A) 16 times B) 2 times C) 1*10¹⁶ times D) 625 times E) 6.3*10¹⁴ times

Question

Quizplus · Accepted Answer

According to the Stefan-Boltzmann Law, the energy radiated per unit area is proportional to the fourth power of the temperature. Therefore, (10,000/5,000)^4 = 16 times more energy is radiated by the hotter star.

One Star Has a Temperature of 10,000 K and Another