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.
D:-components on basis of mass
Correct Answer:- Option-B
Question19:-One dimensional Schrédinger equation for a free particle is
A:-(-h?/2m)0?Y(x,t)/0x?= iho (x,t)/dt
B:-07(x,t)/0x?=(ih/2m) oY (x,t)/dt
C:-(-h?/2m) 0?P(x,t)/0x2= (1/ih) 0 (೬0/6
D:-(-2m/h?2) 0?(x,t)/0x?= ih oW (x,t)/ot
Correct Answer:- Option-A
Question20:-If the phase difference between two component waves is other than quarter cycle, the resulting
wave is said to be
A:-circularly polarized
B:-plane polarized
C:-elliptically polarized
D:-None of these
Correct Answer:- Option-C
Question21:-The visible series of spectrum of hydrogen is
A:-Paschen series
B:-Lyman series
C:-Pfund series
D:-Balmer series
Correct Answer:- Option-D
Question22:-Entropy of universe