Question 38

A small object is placed at the center of a large evacuated hollow spherical container. Assume that the container is maintained at 0 K. At time ๐‘ก=0, the temperature of the object is 200 K. The temperature of the object becomes 100 K at $$t = t_1$$ and 50 K at $$t = t_2$$. Assume the object and the container to be ideal black bodies. The heat capacity of the object does not depend on temperature. The ratio $$\left(\frac{t_2}{t_1} \right)$$ is ___.


Correct Answer: 9


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