## Kerala PSC Previous Years Question Paper & Answer

Title : HSA Physical Science (Malayalam Medium) NCA
Question Code : A

Page:13

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.

page: 13 out of 32
Excerpt of Question Code: 055/2019/OL

A:-Law of conservation of linear momentum
B:-Law of conservation of angular momentum
C:-Law of conservation of energy

D:-All of these

Question39:-A particle of mass m undergoing simple harmonic motion of displacement x and force constant k,
the differential equation is

A: x = (k/m)x
dt’

B:- @x = (-k/m) x
dt’

0030 + 1] dx =(-k/m) x
dt? dt

D: ‏عكل‎ +n dx (-k/m)x=0
de dt

Question40:-As the length of simple pendulum increases, the period of oscillation
A:-remains constant
B:-decreases
C:-increases
D:-none of these