Kerala PSC Previous Years Question Paper & Answer
Page:17
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Junior Research Officer (SR for ST)' And exam conducted in the year 2023. And Question paper code was '137/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. 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.
D:-16
Correct Answer:- Option-B
Question69:-The mean total energy of a classical three-dimensional harmonic
oscillator in equilibrium with a heat reservoir at temperature T is
A:-1/2 kT
B:-kT
C:-2 kT
D:-3 kT
Correct Answer:- Option-D
Question70:-In any reversible reaction, A is in equilibrium with B. If concentration of
each substance is doubled, then its equilibrium constant will be
A:-Remains same
B:-Half
C:-Doubled
D:-Quadrupled
Correct Answer:- Option-A
Question71:-According to Freundlich adsorption isotherm, at high pressure value of
x/m will be
A:-Inversely proportional to pressure
B:-Directly proportional to pressure
C:-Directly proportional to square of pressure
D:-Independent of pressure
Correct Answer:- Option-D
Question72:-Where do we obtain the magnified image of the specimen in SEM?
A:-Cathode ray tube
B:-Fluorescent screen
C:-Phophorescent screen
D:-Screening generator
Correct Answer:- Option-A
Question73:-The electrolytic solution that is having smallest debye length at 298 K
A:-NaCl
B:-Mocl,
(:-14
0 :-प ०2504
Correct Answer:- Option-C
Question74:-In polarography to get true diffusion current the polarographic maxima
can be eliminated by