A) 1000 K
B) 1989 K
C) 2000 K
D) 2378 K
Correct Answer: A
Solution :
Total surface area of square plate is given by \[\text{MgS}{{\text{O}}_{\text{4}}}\] \[CaC{{l}_{2}}\] The rate of radiated energy is given by \[A\to B,B\to C\] \[C\to A\] \[\upsilon /\text{1}0\] \[f\]
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