Physics Chapter 11

1.it is observed that a natural process tends to proceed towards a state of?a)great disorderb)smaller disorderc)either of thesed)none

2.by addition of heat to system disorder of system?a)increaseb)decreasec)samed)none

3.when hot and cold water mixed the entropya)increasesb)decc)samed)none

4.when water changes into ice,entropy?a)increasesb)decc)samed)none

5.when temp of source and sink of heat engine becomes equal...entropy change?a)zerob)maximumc)minimumd)negative

6.for a gas obeying boyles law if pressure increased by 1 % the volume decreases by?a)1%b)100/101%c)1/101%d)1/100

7.which is crct?a)1F<1Cb)1F>1Cc)1F=1Cd)none

8.farenheit and kelvin scales wl have same readings when T ?a)375b)574.25c)414.5d)388

9.the pressure of a gas kept in isothermal container is 200 kPa if he half of the gas is removed frm it...pressure will b?a)800 k Pab)400 kPac)200 kPad)100 kPa

10.temp would b same on farrenheit and centigradea)40 degreeb)30 degreec)-45 degreed)- 40 degree
11.in a reversible process entropy of system?a)increaseb)decreasessc)remain samed)none
12.in most practical cases the cold reservoir of heat engine is ?a)at high tempb)at low tempc)at near room tempd)none