Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSA Physical Science (Malayalam Medium) NCA' And exam conducted in the year 2019. And Question paper code was '055/2019/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.
A:-always decreases
B:-always increases
C:-remains same
D:-none of these
Correct Answer:- Option-B
Question23:-The angle of incident for which the refracted ray emerges tangent to the surface is called
A:-Brewster angle
B:-polarized angle
C:-incident angle
D:-critical angle
Correct Answer:- Option-D
Question24:-The intention of Michelson-Morley experiment was to prove
A:-there is no ether medium
B:-velocity of light is constant in vacuum
C:-velocity of light depends on the velocity of frame of reference
D:-both b) and c)
Correct Answer:- Option-C
Question25:-The Coriolis force acts on a body due to the
A:-Perpendicular motion of the body
B:-the rotation of earth
C:-the acceleration due to gravity