Q: Two identical spheres A and E are at temperature 7⁰C and 17⁰C respectively. In what ratio will they emit thermal radiation? दो एक समान गोले A और B का तापमान क्रमश:7⁰ C तथा 17⁰C हैं। वे किस अनुपात में ऊष्मा विकिरित करेंगे?
A.
1 : 1.143
B.
7 : 17
C.
49 : 289
D.
7⁴: 17⁴
Correct Answer:
Option A -
Explanations:
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