Kerala PSC Previous Years Question Paper & Answer

Title : LECTURER IN PHYSICS NCA COLLEGIATE EDUCATION
Question Code : A

Page:8


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN PHYSICS NCA COLLEGIATE EDUCATION' And exam conducted in the year 2018. And Question paper code was '058/2018'. 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: 8 out of 11
Excerpt of Question Code: 058/2018

D:-zero
Correct Answer:- Option-D
Question64:-When a particle of rest mass m attains the velocity of light, its mass becomes

Correct Answer:- Option-C
Question65:-For a conservative system, the slop of the potential energy versus position curve gives
A:-kinetic energy
B:-force
C:-power
D:-momentum
Correct Answer:- Option-B
Question66:-Are two simultaneous events, happening at the same point, simultaneous in all inertial frames 7
ಮಿ ४65
B:-no
C:-depends on the velocity of the frames
D:-none of these
Correct Answer:- Option-A
Question67:-The critical field of a superconductor at the critical temperature is

D:-depends on the superconductor
Correct Answer:- Option-B

Question68:-In a C60 fullerence molecule, how many pentagonal sides exist 7
2:-24
B:-6
£:-20
0:-12
Correct Answer:- Option-D

Question69:-The open circuit voltage of a solar cell
A:-Increases with temperature first and then decreases
B:-decreases with temperature first and then increases
C:-Decreases with temperature
D:-Increases with temperature
Correct Answer:- Option-C

Question70:-The bandwidth of an amplifier is the range of frequencies at the limits of which its voltage gain falls by
from the maximum gain.

A:-1dB
B:-3 dB
6:94
D:-70 dB
Correct Answer:- Option-B
Question71:-Which transistor configuration ‏کا‎ commonly used for impedance matching 7
A:-common emitter
B:-common base
C:-common collector
D:-common mode
Correct Answer:- Option-C
Question72:-What is the hybridization in graphene 7
ಹಿಂ
B:-sp2
C:sp3
D:-sp4
Correct Answer:- Option-B
Question73:-What happens to the X-ray diffraction peaks from a polycrystalline solid, when its crystalline size 66೧೧೩565 7
A:-become broad

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