MHT CET 2019 3rd May Morning Shift | Heat and Thermodynamics Question 326 | Physics

The maximum wavelength of radiation emitted by a star is 289.8 nm . Then intensity of radiation for the star is (Given : Stefan's constant $=5.67 \times 10^{-8} \mathrm{Wm}^{-2} \mathrm{~K}^{-4}$, Wien's constant, $b=2898 \mu \mathrm{mK}$ )

$5.67 \times 10^{-12} \mathrm{Wm}^{-2}$

$10.67 \times 10^{14} \mathrm{Wm}^{-2}$

$5.67 \times 10^8 \mathrm{Wm}^{-2}$

$10.67 \times 10^7 \mathrm{Wm}^{-2}$

MHT CET 2019 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

If ' $C_P$ ' and ' $C_V$ ' are molar specific heats of an ideal gas at constant pressure and volume respectively. If ' $\lambda$ ' is the ratio of two specific heats and ' $R$ ' is universal gas constant then ' $C_p$ ' is equal to

$\frac{R \gamma}{\gamma-1}$

$\gamma R$

$\frac{1+\gamma}{1-\gamma}$

$\frac{R}{\gamma-1}$

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