Question

4 points
10. If the temperature of black body is 5000 K
b= 3 x 10 nmk and energy U, is for 1.4 - 600 nm
Uz for 1.2 = 300 nm, Ug is for 1.3 = 900 nm, then
OU >U2
OU,>U3
OU2>U,
Both (1) and (2) is right​

Answer 1

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