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CBSE Class 9 Answered

if temperature an ideal black body is increased by 10 % then percentage increased in quantity of radiation emmited from its surface
Asked by devenderthakurthakur16 | 24 Sep, 2019, 05:49: PM
answered-by-expert Expert Answer
Radiation emitted 
E alpha T to the power of 4 W h e n space t e m p e r a t u r e space i s space i n c r e a s e d space b y space 10 percent sign comma space t h e space n e w space r a d i a t i o n space e m i t t e d space w i l l space b e E to the power of apostrophe alpha open parentheses 1.1 T close parentheses to the power of 4 E to the power of apostrophe alpha 1.464 T to the power of 4 P e r c e n t a g e space i n c r e a s e d equals fraction numerator E to the power of apostrophe minus E over denominator E end fraction cross times 100 equals fraction numerator 1.464 T to the power of 4 minus T to the power of 4 over denominator T to the power of 4 end fraction cross times 100 equals 46.4 percent sign
Hence the radiation emitted
Answered by Utkarsh Lokhande | 25 Sep, 2019, 02:13: PM

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