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Mdcat-past-papers Quiz

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1141. The thermodynamics is that branch of Physic in which we study:



1142. When a gas is compressed isothermally, the product of its pressure and volume during the process is:



1143. If 42 heat is transferred to the system during expansion, what is the change in internal energy when work done is 32 J?



1144. The thermodynamic process during which volume of the system remains constant is called:



1145. The conditions for application of Boyle's law holds good in:



1146. An isolated thermodynamic system:



1147. Consider an ideal gas that confine to the cylinder with a fixed piston. on heating the gas, all the heat supplied increases



1148. The sum of all forms of (kinetic and potential) of a substance is termed as?



1149. In a certain process, 400J of heat energy is supplied to a system and at the same time 150J of work done by the system. The increase in internal energy of system is



1150. If 42 heat is transferred to the system during expansion, what is the change in internal energy? When work done is 32 J ?



1151. 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?



1152. Which of the following curve is an isotherm?



1153. First law of thermodynamics under adiabatic conditions can be mathematically written as:



1154. What will be the mathematical form of first law of thermodynamics for a system whose variation of volume by pressure is shown?



1155. When the rate of gas changes without change in temperature, the gas is said to undergo:



1156. The rapid escape of air from a burst tyre is an example of:



1157. 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:



1158. First law of thermodynamics concerns with the conservation of:



1159. For an ideal gas equation PV=nRT, the dimensions of Real Gas Constant R are:



1160. During the isothermal process, the temperature: