Kerala PSC Previous Years Question Paper & Answer

Title : HSST PHYSICS SR FOR SC/ST KHSE
Question Code : A

Page:6


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSST PHYSICS SR FOR SC/ST KHSE' And exam conducted in the year 2016. And Question paper code was '073/2016/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.

page: 6 out of 11
Excerpt of Question Code: 073/2016/OL

0:1८ (87
Correct Answer:- Option-D
Question47:-The isothermal compressibility of an ideal gas at temperature T and volume V is given by
:-K=-V" ((delP}/(delV)}_(T}"
V" ({delP)(delv))_(T)
யாவை ह)
யர (கோ) {7} `
Correct Answer:- Option-D
Question48:-What is the temperature of an ideal gas of He atoms, if there 81௧ 6306 *10°(22)" atoms occupying 2 litres at
atmospheric pressure?
A:-341K
B:-241K
C:-300K
D:-273K
Correct Answer:- Option-B
Question49:-Consider a photon gas enclosed in a volume V and in equilibrium at temperature T. What is the chemical
potential of this gas?
&:- (3/2) kT
8: (3)/2) ` ` (ल)
C:-0
0:- (1/2) ` चल
Correct Answer:- Option-C
Question50:-A white dwarf star is supported against gravity by
A:-Electron degeneracy pressure
B:-Radiation pressure
C:-Thermal pressure
D:-Neutron degeneracy pressure
Correct Answer:- Option-A
Question51:-Anomalous Zesman effect is exhibited by atoms having
A:-zero spin angular momentum
B:-non-zero spin angular momentum
C:-non -zero orbital angular momentum
D:-none of these
Correct Answer:- Option-B
Question52:-The lande g factor for the 3D1 level of an atom is
‏2ھ‎
‎B:-3/2
‎6:32
‎00
‎Correct Answer:- Option-A
Question53:-The ratio of intensity of D1 and D2 line of sodium atom 5
കഃ

Correct Answer:- Option-B
Question54:-ldentify the molecule whose vibrations are both Raman and IR active
#:- 00 (2)
8:-05 (2)
ப 0200
00 (2)
Correct Answer:- Option-C
Question55:-The term *(j_{1),j_(2))" arising from 251,2p1 electronic configuration in jj coupling scheme is
(12.32) {2.1}: `` ` (1/2.1/2) (1.2).
(1/2.3/2) 2.1}: `` ` (1/2.1/2) (1,0}`
31/2.5/2) (4.3) ` ` (1/2,3/2) (2.1)
(1202) 20 ` ` ` (32.1/2} (1.0)
Correct Answer:- Option-B
Question56:-Metallic sodium has a BCC structure. Which of the following lines will be absent in the diffraction pattem

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