jee-main 2002 Q27

jee-main · India Not Maths

Two spheres of the same material have radii 1 m and 4 m and temperatures 4000 K and 2000 K respectively. The ratio of the energy radiated per second by the first sphere to that by the second is
(1) $1 : 1$
(2) $16 : 1$
(3) $4 : 1$
(4) $5 : 3$

Two spheres of the same material have radii 1 m and 4 m and temperatures 4000 K and 2000 K respectively. The ratio of the energy radiated per second by the first sphere to that by the second is\\
(1) $1 : 1$\\
(2) $16 : 1$\\
(3) $4 : 1$\\
(4) $5 : 3$

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