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Two spheres P and Q of the same colour a...

Two spheres P and Q of the same colour and having radii 4 cm and 2 cm are kept at `127^(@)C and 527^(@)C` respectively. The ratio of the energies radiated by P and Q

A

`4:1`

B

`1:16`

C

`1:1`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
C
`(R_(1))/(R_(2))=(A_(1))/(A_(2))xx(T_(1)^(4))/(T_(2)^(4))`
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