Old Exam Papers June 2012 (Set 2)

z
4 2
ax bx c
dx
2 dk eku Kkr dhft;sA 5
x
2. Write short notes on the following :
(i) C.P.U. (Central Processing Unit)
(ii) Monitor
(iii) Modem
(iv) Keyboard
fuEufyf[kr ij laf{kIr fVIif.k;k¡ fyf[k;s %
(i) dsUnzh; izkDdyu bdkbZ (C.P.U.)
(ii) ekWuhVj
(iii) eksMse
(iv) dh&cksMZ
3. What do you understand by Critical Phenomenon ? With
the help of van der Waals' equation how will you evaluate
critical constants ? Prove that
RTc
PV
c c
10
10
8
. 10
3
ØkfUrd ifj?kVuk ls vki D;k le>rs gSa \ ok.Mjoky lehdj.k
}kjk ØkfUrd fLFkjkadkas ds eku fdl izdkj ifjdfyr fd;s tkrs
gSa \ fl) dhft;s fd RTc
PV
c c
8
3
4. Explain the effect of temperature on distribution of molecular
velocities. 10
vkf.od forj.k fu;e ij rki dk izHkko le>kb;sA 10
5. What are liquid crystals ? Differentiate between the
properties of solids, liquids and liquid crystals. 10
nzo fØLVy D;k gS \ Bksl] nzo fØLVy ,oa nzo esa foHksn
dhft;sA 10
6. What are different laws of crystallography ? Explain with
examples. 10
fØLVy foKku ds fofHkUu fu;e D;k gSa \ mnkgj.k lfgr
le>kb;sA 10
7. Describe a method for purifying colloidal solution. 10
dksykWbMh foy;u ds 'kqf)dj.k dh ,d fof/k le>kb;sA 10
8. Discuss the crystal structure of sodium chloride. 10
300 2 CH-03 CH-03 3 PTO
10