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 tr

Question

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 tr

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 is
A. 0.2
B. 0.7
C. 0.1
D. zero

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

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

6 views Answered 2023-02-05 15:29