Kerala PSC Previous Years Question Paper & Answer
Page:16
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.
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0:42;
D:-4B;
Correct Answer:- Option-D
Question64:-The kerosene oil rises up in the wick of lantern because of
A:-Buoyant force of air
B:-Gravitational pull of air
C:-Surface tension
D:-Diffusion of oil through the wick
Correct Answer:- Option-C
Question65:-The liquid crystal phase show coloured effect is
A:-Nematic
B:-Smectic
C:-Cholesteric
D:-Discotic
Correct Answer:- Option-C
Question66:-Which one of the following thermodynamic processes approximate the
steaming of food in pressure cooker?
A:-lsothermal
B:-lsochoric
C:-Isobaric
D:-Isenthalpic
Correct Answer:- Option-B
Question67:-The number of component (C), phase (P) and degree of freedom (F)
are related by Gibbs phase rule as
A:-F-P=C-+2
B:-F-C=P+2
C:-F+C=P+2
D:-F+P=C+2
Correct Answer:- Option-D
Question68:-Four distinguishable molecules are distributed in energy levels =, and
=, with degeneracy of 2 and 3 respectively. Find the number of microstates with
three molecules in =, and one molecule in =,
A:-32
B:-96
C:-108