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(d) e = 0.15
(a) 3/2
(c) Diatomic
(c) –2767.23 J
(b) 189 K
A body at a temperature of 728°C and having surface area 5 cm2, radiates 300 J of energy each minute. The emissivity is [Given Boltzmann constant : =5.67×10–8 Wm–2 K–4]
(d) e = 0.15
(d) e = 0.15
See lessDuring an adiabatic process, the increase of a gas is found to be proportional to the cube of its temperature. The ratio of Cp/Cv for the gas is
(a) 3/2
(a) 3/2
See lessThe work of 146 KJ is performed in order to compress one kilomole of a gas adiabatically, and in this process, the temperature of the gas increase by 7°C. The gas is
(c) Diatomic
(c) Diatomic
See lessIn the above question, change in internal energy of the gas is
(c) –2767.23 J
(c) –2767.23 J
See lessAt 27°C two moles of an ideal mono-atomic gas occupy a volume V. The gas expands adiabatically to a volume 2V. The final temperature of the gas is [Takey=5/3]
(b) 189 K
(b) 189 K
See less