Popular Thermal Physics Questions

Plot a curve b/w P vs V plot: A(V0,P0) B(V0,3P0) C(3V0,P0) join A, B, C with straight lines Find Efficiency ...

*Image* AC-adiabatic ...

the fuse wire has high or low resistance ...

Two bodies of masses m1 and m2 and specific heat capacities s1 and s2 are connected by a rod of lenght L crossectional area A,thermal conductivty K and negligible heat capacity.The whole system is thermally insulated.At time ...

in adiabatic compression decrease in volume is assosiated with a)inc in temp n decre in pressure b)decr in temp n incre in pressr c)decre in both d0inc in both ...

One mole of an ideal gas in initial state A undergoes a cyclic process ABCA as shown. Its pressure at A is Po. then (a) Internal energies at A and B are same (b) Work done by the gas in the process AB is PoVo ln4 (c) pressure ...

when ice melts at 1°...will the enthalpy increase or decrease..,..answer given is enthalpy increases ...

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10kg of ice @ -10°C N 10kg of H2O @ 10°C r mixxed ! then wats final temparture i hav forgotten this i only know tat msdelta0 shud be ezual to mL L ...>LATENT HEAT OF FREEZING OR BOILING SO WILL IT BE m * specific heat of ...

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two spheres of same size are made of the same material but one is solid and the other is hollow. They r heated to same temp.Which will expand more, if not why? ...

A spherical body of area A and emissivity 0.6 is kept inside a perfectly black body. total heat radiated by the body at temperature T is ... ...

prove \int_{0}^{\infty}{\frac{x^3}{e^x-1}\mathrm{dx}}=\frac{\pi^4}{15} ...

HAD SOLVED THIS 1 IN SUM OTHER FORUM...... In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures t1 and t2. The liquid columns in two arms have heights l1 and l2 respectively. The coe ...

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A straight glass tube with its lower end sealed has a length \ell=152\ \mathrm{cm} . The lower half contains one mole of an ideal diatomic gas. The top half contains mercury and the top of the tube is open to atmosphere (atmo ...

ratio of the speed of sound in nitrogen to helium at 300 K is? ...

*Image* Ans Is 3R ...

Consider two identical spheres,one of which lies on a thermally insulating plate and the other hangs on an insulating thread.Equal amounts of heat is given to the 2 spheres. Which will have a higher temp. ?? ...

Which of the Following parameters does not characterize the Thermodynamic State of Matter (1) Pressure (2) Work (3) Volume (4) Temperature A Basic Question So quickly find itz answer ...

In Thermodynamics (physics) , work done by the system is taken positive but in Thermochemistry, work done by the system is negative (as per my book) Why are both the signs different? or is there any mistake in my book? ...

Column I Column II (A) Work (p) ML2T-2 (B) Torque (q) N-m (C) Energy (Mechanical) (r) cal (D) Thermal energy (s) kgm2/s2 (t) Joule ...

during the melting of a slab of ice at 273 K at atmospheric pressure: what will be its effect on the internal energy of ice - water system ...

Consider a container which contains just one molecule of a gas. What will happen if you: (1) double the volume keeping temperature constant (2) double the temperature keeping pressure constant? ...

Wat's da the formula connectin various degreees of freedom (viz. Trans Rot. and Vib.) with Cv ? [7] [7] ...

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Three rods of identical cross sectional area are made up of same metal from the sides of an isosceles triangles ABC, right angled at B. The point A and B are maintained at temperatures T and 2 T respectively. In the steady st ...

At 27 degree C two moles of an ideal monoatomic gas occupy a volume V. The gas expands adiabatically to volume 2V calculate the final temp, change in internal energy and work done. ...

What kind of questions can we get from Kintetic theory of gases??? Also is there any chance of or has there been any questions from the different types of thermometers? ...

1] caculate the least amount of work that must be done to freeze one gram of water at 0 degrees by a refrigerator. temperature of surroundings is 27 degrees. how much heat is passed to surroundings in this process? latent hea ...