Question 821: Thermodynamics & KTG

Question

A body is said to be opaque to the radiation if (a, r and t are coefficient of absorption, reflection and transmission respectively)

Accepted Answer

Opaque body does not transmit any radiation directly,
$$\begin{array}{ll}
	herefore & t=0 \
	herefore & a+r=1
\end{array}$$

Answer

$$\mathrm{t}=0$$ and $$\mathrm{a}+\mathrm{r}=1$$

Answer

$$\mathrm{a}=\mathrm{r}=\mathrm{t}$$

Answer

$$t 
eq 0$$

Answer

$$\mathrm{a}=0, \mathrm{r}=1, \mathrm{t}=1$$

Thermodynamics & KTG