CLASS TEST 11

class test                                                                    Time 45 min.

LEVEL 11
SUBJECT. PHYSICS
TOPIC.1ST AND 2ND LAW OF THERMODYNAMICS            
Q1.Show that for an ideal gas Cp -Cv =R

_{where symbols have usual meanings.}

_{Q2.What is isothermal process. Derive an expression for isothermal work done.}

_{Q3.Explain the working of petrol engine with help of  P-V diagram.}

_{Short answers questions}

_{Q4(a) on what factors the efficiency of carnot engine depends ?}

_{(b) State 2nd law of thermodynamics.}

_{(c) write the limitations  of 1st law of thermodynamics.}

_{(d) why Cp > Cv ?}    

                           _{Best of luck .}