A sphere of emissivity has radius and temperature

PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A sphere of emissivity

0.80

has radius

0.50 \text{ m}

and temperature

27 \text{ }^\circ\text{C}

. The temperature of the surroundings is

57 \text{ }^\circ\text{C}

. At what rate does the body emit radiation and at what rate does it absorb radiation?