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 'Field Officer (Main Examination)' And exam conducted in the year 2023. And Question paper code was '161/2023'. 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.
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Under steady state condition, temperature of a body
(A) Increases with time
(B) Decreases with time
(C) Does not change with time and is same at all points of the body
(D) Does not change with time and can be different at different points of the body
Two coherent sources have amplitudes in the ratio 3:1 interfer each other. Then the ratio of
the maximum to minimum intensity on a screen is:
(A)
(0
3:1 (
9:1
டு)
4:1
1:3
B)
The process of achieving population inversion in a LASER system is known as
(A)
(0
Stimulation (
Inversion
டு)
B) Absorption
Pumping
When Newton’s rings are observed by a monochromatic light in reflected mode, the central
ring appears :
(A) Dark (B) White
(C) Bright () Yellow
Which among the following is an example of a crystalline material?
(^) Glass (B) Plastic
(C) Rubber (D) Salt
Which spectral series of hydrogen atom lies in the visible region of the electromagnetic
spectrum?
(A) Lymann Series (B) Balmer Series
(C) Brackett Series ൯൩) Pfund Series
Which among the following nucleus has the highest value of binding energy per nucleon?
(^) Iron (B) Copper
(C) Tin (D) Zine
What is the value of the Lande’s g factor associated with the atomic state symbol *P,?
1 2
^) = رم ~
(A) 3 ) 3
0 3 3
(C) 2 0) 5
161/2023-M
[P.T.0.]