A body emits Q cal/`cm^(2)` of radiation at temperature `227^(@)C`. If the temperature of the body is raised to `727^(@)C`, then the amount of radiant

Question

A body emits Q cal/`cm^(2)` of radiation at temperature `227^(@)C`. If the temperature of the body is raised to `727^(@)C`, then the amount of radiant

A body emits Q cal/`cm^(2)` of radiation at temperature `227^(@)C`. If the temperature of the body is raised to `727^(@)C`, then the amount of radiant enegy emitted will be
A. 2Q
B. 4Q
C. 16Q
D. 32Q

Monjur Alahi

7 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
`(E_(2))/(E_(1))=((T_(2))/(T_(1)))^(4)=((1000)/(400))^(4)=16`
`E_(2)=16Q`.

7 views Answered 2023-02-05 15:29