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Heat and Thermodynamics question

2002 · Shift 0 · Q151

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JEE Main
Physics
Heat and Thermodynamics
2002 · Shift 0 · Q151

Heat and Thermodynamics question

2002 · Shift 0 · Q151

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1

Two spheres of the same material have radii

1m

and

4m

and temperatures

4000K

and

2000K

respectively. The ratio of the energy radiated per second by the first sphere to that by the second is

A
$1:1$
B
$16:1$
C
$4:1$
D
$1:9$

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