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Mdcat-past-papers - UHS Quiz

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361. What is the factor upon which change in internal energy of an ideal gas depends?



362. The thermodynamics is that branch of Physic in which we study:



363. When a gas is compressed isothermally, the product of its pressure and volume during the process is:



364. If 42 heat is transferred to the system during expansion, what is the change in internal energy when work done is 32 J?



365. Pressure Volume graph of two systems "A" and "B" are plotted under isothermal and adiabatic conditions. Which of the following observation of graph represents the two systems?



366. Which of the following curve is an isotherm?



367. First law of thermodynamics under adiabatic conditions can be mathematically written as:



368. What will be the mathematical form of first law of thermodynamics for a system whose variation of volume by pressure is shown?



369. When the rate of gas changes without change in temperature, the gas is said to undergo:



370. The rapid escape of air from a burst tyre is an example of:



371. Temperature of given mass of a gas is changed from 150°C to 300°C during an isobaric process, volume of the gas will become:



372. First law of thermodynamics concerns with the conservation of:



373. For an ideal gas equation PV=nRT, the dimensions of Real Gas Constant R are:



374. During the isothermal process, the temperature:



375. What is the value of heat energy (Q) in an adiabatic process?



376. If one mole of ideal gas is heated at constant pressure, then the first law of thermodynamics can be written as:



377. If Cv = 5/2 R, Cp will be:



378. An ideal gas has molar specific heat Cp at constant pressure. When the temperature of n moles is increased by ΔT the increase in the internal energy is:



379. The Coulomb's force between two-point charges q1 and q2 is 3N, where distance between them is 3m. The charge q2 is



380. Coulomb's law is given by the formula F = k q1 q2 / r^2. The magnitude of k having the unit of Nm^2 / C^2 for free space is