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Q)

The wavelength of maximum intensity of radiation emitted by a star is $289.8\;nm$. The radiation intensity of the star is : <br> (Stefan's contant = $5.67 \times 10^{-8} \;Wm^2K^{-4}$, constant $b = 2898\; \mu m K$)


( A ) $10.67 \times 10^{14} \; W/m^2$
( B ) $5.67 \times 10^8 \; W/m^2$
( C ) $10.67 \times 10^7 \; W/m^2$
( D ) $5.67 \times 10^{12} \; W/m^2$

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