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SRMJEE 2017 Paper with key
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© examsnet.com
Question : 14
Total: 155
A spherical black body of radius
12
c
m
radiates
450
W
power at
500
K
. If the radius is one half : and the temperature doubled, the power radiated in watt will be
225
450
900
1800
Validate
Solution:
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