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Absorption co-efficient of an open windo...

Absorption co-efficient of an open window is...

A

zero

B

0.5

C

1

D

0.25

Text Solution

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The correct Answer is:
C
Open window behaves like a perfectly black body.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MHTCET 2008-PHYSICS
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