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 'Finger Print Searcher -Police Department(CAT.NO:139/2020)' And exam conducted in the year 2021. And Question paper code was '103/2021'. 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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103/21
What is the momentum of the gamma ray photon having wavelength 10-10 m ?
A) hx 10710 8) hx 1010
C) he x 1010 D) he x 10-10
The couple per unit twist for a hollow cylinder and a solid cylinder is 0, and و0
respectively. Choose the correct expression.
A) ©, “ഠം 8) C,
Which one contributes maximum to the density of universe ?
A) Visible matter B) Solids and liquids
C) Dark matter D) Gases and biomass
Large hadron collider is situated at
A) ISRO B) CERN
C) VSSC D) INFN
‘Little Boy’ is the name of
A) Little planet B) TNT
C) Hydrogen bomb D) Atom bomb
What is the name given to lines drawn through different places having the same
declination ?
A) lsoclinic lines 8) Isenthalpic lines
©) Isogonic lines 7) Isometric lines
What is the new resistance of a wire of resistance ‘R’ drawn ‘n’ times its original
length ?
B) nR C) nR/2 D) 2nR 8م رم
Who received Nobel Prize for the discovery of photoelectric effect ?
A) Louis de Broglie B) Albert Einstein
C) Niels Bohr D) Max Planck