Kerala PSC Previous Years Question Paper & Answer

Title : LECTURER IN PHYSICS
Question Code : A

Page:5


Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN PHYSICS' And exam conducted in the year 2015. And Question paper code was '003/2015/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: 5 out of 8
Excerpt of Question Code: 003/2015/OL

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5078

Quostionss3: The magnotic moment associated with first rbit in hydrogen atom is
1




ರಾ
ண்‌

रि
1111 Boran (

ಹಃ

×ظ

⇁ 2
Correct Answer:- Option B
Questions5-Which ane of the following molecules does not exhbit a rotational spectrum

800


Correct Answer:- Option-A
Question56:-A hexagonal structure has a symmetry element
Ax-One 6-fold rotation axis
B:Two 3-fold rotation axis
ടേ 2 fold rotation axis
D:-A 4-fold rotation- inversion axis
Correct Answer:- Option-A
Questions 7+ Packing fraction for a simple cubic lattice as comapred to that of fec lattice is
Acgreater
Besmaller
ടേം ഇപ or ‏<طلعصد‎
‎D:not possible to say
Correct Answer:- Option B
ಮ மக with visible light, which of the following types of solids are always opaque ?
Aconic crystals
Bi-covalent solids
Cometallic salids
D:-none of these
Correct Answer:- Option-C
Question59: Eistein's theory concludes that at lower temperatures the specific heat
Ax-drops linearly with increase of tomperature
Budrops linearly with decrease of temperature
Crdrops exponentially with decrease of temperature
D:-remains constant
Correct Answer:- Option-C
Question60:For a conventional superconductor, which of the following statement is NOT true?
Axspecific heat is discontinuous at transition temperature Te
B:-The resistivity falls sharply at 70
Cuitis diamagnetic below 1௦
2:1 is paramagnetic below Te
Correct Answer:- Option-D

೧,4 ot
Question 1:x in the nuclear ೫೦೩೦೮೦೫: 29೧... 23೪"

ക്യ
മംമ്ത
ഛോ
D: Electron
Correct Answer:- Option-A
Question6 2+ Half life of a radioactive sample is 365 days. Its meanife is then
A:50.67 ജട
8:-5543.32 days
56.87 days
D:-None of these
Correct Answer:- OptionC
Question6 3:Shell model potential is
ಸಿ) ಇಗ) rR

+

एण

[1
Vo,

V() = Tt

Correct Answer:- Option B
Question64:For spontancous fission of a nucleus with atomic number Z and mass number A,

جود يم
7

>
Correct Answer:- Option-D

Question§5-Which of the following is true?
‘A+-Quarks 00 not have colour
B:-Photons have colour

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04/24/2015 12:06 PM

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