In thermal radiation for a black body (where,` epsi` is emissivity and `alpha` is absorptivity) Options: A . &nbsp`alpha = 1, epsi!= = 1` B . &nbsp`alpha != 1, epsi = 1` C . &nbsp`alpha != 1, epsi != 1 ` D . &nbsp`alpha = 1, epsi = 1`

In thermal radiation f

Question

In thermal radiation for a black body (where,` epsi` is emissivity and `alpha` is absorptivity)

Options:

A . `alpha = 1, epsi!= = 1`

B . `alpha != 1, epsi = 1`

C . `alpha != 1, epsi != 1 `

D . `alpha = 1, epsi = 1`

Answer: Option D

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