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Molecular Physics | Thermodynamics
Write down efficiency formula for carnot engine.
Molecular Physics | Thermodynamics
What is root mean square velocit.
Molecular Physics | Thermodynamics
Two reversible engine operate between thermal reservoirs at 1200 K, T2K and 300 K such that 1st engine receives heat from 1200 K reservoir and rejects heat to thermal reservoir at T2K, while the 2nd engine receives heat from thermal reservoir at T2K and rejects heat to the thermal reservoir at 300 K. Calculate T2 in K If the efficiency of both the engines is equal.
Molecular Physics | Thermodynamics
(a) Show from first principles, that when the surface area of a system, subject to a surface tension ¶, changes by a small amount dA, the work done by the system is (-¶dA)
(b). A bubble rose from the bottom of a lake to near its surface. The
bubble was initially 1 cm in diameter, at a pressure of 2 bar. The final pressure
experienced by the bubble was 1 bar. The initial as well as the final shape of the bubble was spherical, and its volume varied inversely to the pressure. Determine
the net work done by the bubble. For water, ¶ = 0.073 N/m. Which additional
assumptions did you make? Please comment on your answer.
(b). A bubble rose from the bottom of a lake to near its surface. The
bubble was initially 1 cm in diameter, at a pressure of 2 bar. The final pressure
experienced by the bubble was 1 bar. The initial as well as the final shape of the bubble was spherical, and its volume varied inversely to the pressure. Determine
the net work done by the bubble. For water, ¶ = 0.073 N/m. Which additional
assumptions did you make? Please comment on your answer.
Molecular Physics | Thermodynamics
A system containing m = 5 kg of a liquid is stirred with a torque of T = 0.3 kgf-m
at a speed of X = 1000 RPM for t = 24 hr. The system meanwhile expands from
V1= 1m³ to V2 = 2m³ against a constant pressure of p = 4 kgf/cm². Determine
the net work done (W) in kJ.
at a speed of X = 1000 RPM for t = 24 hr. The system meanwhile expands from
V1= 1m³ to V2 = 2m³ against a constant pressure of p = 4 kgf/cm². Determine
the net work done (W) in kJ.
Molecular Physics | Thermodynamics
Two kg of a substance undergoes the specified process in a Cylinder-piston arrangement:
p1 = 6 bar; V1 = 0.2 m³; p2 = 2 bar; V2 = 0.6 m³,
Determine the work done (W) in each case.
(a) p varies as a linear function of V. (b) pV = a constant. (C) p remains constant till the volume reaches V3 = 0.3m³; pV^n = a Constant after that4 (You have to determine the value of n.)
p1 = 6 bar; V1 = 0.2 m³; p2 = 2 bar; V2 = 0.6 m³,
Determine the work done (W) in each case.
(a) p varies as a linear function of V. (b) pV = a constant. (C) p remains constant till the volume reaches V3 = 0.3m³; pV^n = a Constant after that4 (You have to determine the value of n.)
Molecular Physics | Thermodynamics
How much time does it take to boil water in a kettle
Molecular Physics | Thermodynamics
A particle of mass m charge q acceleration a then write it's intensity.
Molecular Physics | Thermodynamics
Find the quantity of heat required to melt completely 20g of lead at 27 degree
Molecular Physics | Thermodynamics
If the force between the two charges is 60N, how the force if the distance is reduced by third and the two charges remain constant?
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#340153 on Dec 2023
#340153 on Dec 2023