B:-*(eh)/(8Pi m)" *hatSigma™* *

0:-:(677)/(4(೧/(201)' " hatsigma™

D:-" (em)/(2(h/(2Pi))” “hatsigma®

Correct Answer:- Option-A
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

Correct Answer:- Option-B
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

Correct Answer:- Option-B

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
Correct Answer:- Option-B
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
Correct Answer:- Option-D
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

Correct Answer:- Option-B
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

Correct Answer:- Option-A
Question45:-Neper/meter is the SI unit of

A:-phase constant

B:-attenuation constant

C:-planck’s constant

D:-skin depth

Correct Answer:- Option-B

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
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