Kerala PSC Previous Years Question Paper & Answer

Title : Non Vocational Teacher in Physics (Senior) - Kerala Vocational Higher Secondary Education
Question Code : A

Page:9


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Non Vocational Teacher in Physics (Senior) - Kerala Vocational Higher Secondary Education ' And exam conducted in the year 2022. And Question paper code was '61/2022/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: 9 out of 15
Excerpt of Question Code: 61/2022/OL

Correct Answer:- ೦೧000
QuestionS1:-Ina periodic potential latice, the electron energy values are
‘Accontinuous
B:-discontinuous
Ce quasi continuous
D-none of the above
Correct Answer: Option ®
QuestionS2:-According to Einstein's theory of specific heat, at lower temperatures the specific heat
‘AcRemains constant
B:-Drops linearly with decrease of temperature
ര linearly with increase to temperature
Drops exponentially with decrease of temperature
Correct Answer:- Option-D
00500753: 7 piezoelectric materials, electricity is produced by applying
‘AcTemperature
Bs Pressure
C-Magnetic field
D-Electric field
Correct Answer: Option ®
QuestionS4:-The temperature at which an antiferromagnetic substance becomes a paramagnetic substance
‘Accurie temperature
Bs-transition temperature
C-Faraday's temperature
D-Neel temperature
Correct Answer:- Option-D
Question55:-The critical field strength of a superconducting material is zero at
‘AcTransition temperature
8-06
C-Room temperature
Dnone of these
Correct Answer:- ೦೧000
QuestionS6:-The maximum distance upto which the electron pairs are correlated to produce superconductivity is called
‘AcPenetration depth
B:-Skin depth
CCoherence length
D:-Range
Correct Answer: Option-C

QuestionS7:-In the rotation spectrum of a non-rigid rotator, the rotational constant 15 related to the centrifugal distortion constant by the relation

4 = هيم

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