Answer:
3.16 i1
Step-by-step explanation:
T1 = 300 k
I1 = i1
T2 = 400 k
i2 = ?
The intensity is directly proportional to the four powers of the absolute temperature.
I ∝ T^4
So,
i2 = 3.16 i1
Thus, the intensity becomes 3.16 i1.
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