1.

Two spheres P and Q, of same colour having radii 8 cm and 2 cm are maintained at temperatures 1270 C and 5270 C respectively. The ratio of energy radiated by P and Q is

Answer»

Two spheres P and Q, of same colour having radii 8 cm and 2 cm are maintained at temperatures 1270 C and 5270 C respectively. The ratio of energy radiated by P and Q is




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