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 radi

Question

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 radi

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`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`(R_(1))/(R_(2))=(A_(1))/(A_(2))xx(T_(1)^(4))/(T_(2)^(4))`

4 views Answered 2023-02-05 15:29