1.

Out of 10J of radiant energy incident on a surface, the energy absorbed by the surface is 2 J and the energy reflected is 7 J. Then, coefficient of transmission of the body isA. 0.2B. 0.7C. 0.1D. zero

Answer» Correct Answer - C
`Q=Q_(a)+Q_(r)+Q_(t)`
`Q_(t)=10-(7+2)=1`
`t=(Q_(t))/(Q)=(1)/(10)=0.1`.


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