Multiple Choice
The Stefan-Boltzmann law says that hot objects emit energy proportional to the fourth power of their temperature.One star has a temperature of 30,000 K and another star has a temperature of 6,000 K.Compared to the cooler star,how much more energy per second will the hotter star radiate from each square metre of its surface?
A) 5 times
B) 25 times
C) 625 times
D) 1.3×10¹⁵ times
Correct Answer:

Verified
Correct Answer:
Verified
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