109 Solar radiation is incident on a semi-transparent body at a rate of 500 W/m2. If 150 W/m2 of this incident radiation is reflected back and 225 W/m2 is transmitted across the body, the absorptivity of the body is
(a) 0
(b) 0.25
(c) 0.30
(d) 0.45
(e) 1
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