## Kerala PSC Previous Years Question Paper & Answer

Title : HSST PHYSICS SR FOR SC/ST KHSE
Question Code : A

Page:5

Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'HSST PHYSICS SR FOR SC/ST KHSE' And exam conducted in the year 2016. And Question paper code was '073/2016/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 11
Excerpt of Question Code: 073/2016/OL

B:-*(eh)/(8Pi m)" *hatSigma™* *

0:-:(677)/(4(೧/(201)' " hatsigma™

D:-" (em)/(2(h/(2Pi))” “hatsigma®

Question38:-A wave function is said to be symmetric if the interchange of any pair of particles

A:-changes the sign of y

B:-does not change the sign of y

C:-change or does not change

D:-none of the above is true

Question39:-The value of ['L_(x)" "ட 16

Ai(h2m L

நேட

the correct relation

ப்‌ (ஸ்ப

1/2) `(6850/6

باز 672/0727 '(2(/)87ہ77))< ٭ ٭
‎டும்‌‏ `}0^(2 ` (= 0:19

Question41:-If a material has a conductivity of 25 S/m and relative permittivity of 80, then at a frequency of 3 GHz the
material will acts as

A:-insulator
B:-conductor
C:-perfect dielectric
D:-none of the above
Question42:-For normal incidence at an air glass interface with refractive index of 1.5 the fraction of energy reflected 15
given by
A:-0.40
:-0.2
66
D:-0.04
Question43:-Which of the following current densities ] can generate the magnetic vector potential A=yl+x3]
A:-2(xi+ yjluo

D:-2(xi-yj}/u0

Question44:- Find out the correct relation between magnetic field B and electric field E, if n is the unit vector along the
direction of propagation

A:-B = (nxE)/c

B:-B = c{nxE}

C:-B = c/(nxE)

D:-B = (Exn)/c

Question45:-Neper/meter is the SI unit of

A:-phase constant

B:-attenuation constant

C:-planck’s constant

D:-skin depth

Question46:-A system of N non-interacting classical point particles are constrained to move on the two-dimensional surface
of a sphere. The intemal energy of the system is

A (3NQRY Nk (BY'T
8: {1)/(2)॥`॥ (8) 7
வையா