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#1
May 28th, 2014, 07:20 PM
 Unregistered Guest Posts: n/a
Civil Services Main Examination: Physics Paper II Exam paper

Please provide me question paper for Civil Services Main Examination: Physics Paper II Exam soon ?/

#2
May 29th, 2014, 04:15 PM
 Sashwat Super Moderator Join Date: Jun 2011 Posts: 35,753
Re: Civil Services Main Examination: Physics Paper II Exam paper

Here I am giving you question paper for Civil Services Main Examination: Physics Paper II Exam in PDF file attached with it ..

Derive Bohr's angular momentum quantiza- tion condition in 'Bohr's atomic model from
the concept of de Broglie waves. 10
Obtain an expression for the probability ccmt
for the- plane wave ~ ( x , t ) = . a p [ i ( k x - ~ t ) ] .

Show that the Pauli spin matrices satisfy the
following : 10
2 2 - 2
tTr =qy -or = I
- O p , - -O+, = iuL -
opz= -bpY = io,
up, = -=,az = ia,

frequency at which nuclear magnetic -
resonance occurs in water kept ih a uniform
magnetic field of 2.4 T. The magnetic moment
of proton i s 2-793 pN. f 0
State and explain Franck-Condon principle. '
Discuss its applications in molecular spectro- scopy. 10
The normalized wave function .for the electron .
in hydrogen atom for the ground state is
where a. is the radius of the first Bohr orbit.

Show that the most probable position of the
. electron is a*. . 10
. C-DTN-K-QZB (Contd.)

What is spin-orbit interaction ?
Calculate the energy. shift due to spin-orbit
interaction term in H-like system. Mscuss the ,
significance of this shift in relation to the fine
structure of hydrogen spectral tines. 30

Discuss occurrence of rotational energy
-levels of a diatomic molecule and show
that the pure rotation spectrum of such a
moIecule consists of a series of equally
spaced lines separated by a constant
wave number difference 2 B. Write down
the selection rules.

Attached Files
 Civil Services Main Examination Physics Paper II Exam paper-1.pdf (256.0 KB, 33 views) Civil Services Main Examination Physics Paper II Exam paper.pdf (239.0 KB, 16 views)
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#3
September 22nd, 2015, 05:08 PM
 Unregistered Guest Posts: n/a
Re: Civil Services Main Examination: Physics Paper II Exam paper

I am doing preparation of Civil Services Main Examination. I have chosen Physics Subject for this Exam. So can you please provide question papers of Physics II Exam of Main Exam?
#4
September 22nd, 2015, 05:12 PM
 Vinodt Super Moderator Join Date: Jun 2013 Posts: 42,164
Re: Civil Services Main Examination: Physics Paper II Exam paper

As you want question papers of Civil Services Main Examination Physics II, so here are following papers:

Civil Services Main Examination Physics Question Paper 2012

Two identical relativistic particles of rest mass m and kinetic energy T collide head-on. What is the relative kinetic energy, i.e., the kinetic energy T' of one in the rest frame of the other?

Calculate the moment of inertia of a solid cone of mass M, height h, vertical half-angle a and radius of its base R, about an axis passing through its vertex and parallel to its base

A resistance Rand a lossless capacitor C are connected through a switch. The capacitor is charged to potential V0 , and the switch is closed at t = 0. Prove that the energy stored in the capacitor is
equal to the energy dissipated in the resistor.

Consider a uniform half-sphere of radius R and mass M. The half-sphere is supported by a frictionless horizontal plane as shown in the figure. The half-sphere lies in the region z < 0.

Civil Services Main Examination Physics Question Paper 2012

Civil Services Main Examination Physics I Question Paper 2014
Explain the working principle of a 3-level laser with a specific example. Comment on why the third level is needed.

. In a certain engine, a piston undergoes vertical SHM with an amplitude of 10 em. A washer rests on
the top of the piston. As the motor is slowly speeded up, at what frequency will the washer no longer
stay in contact with the piston ?

Discuss the problem of scattering of charged particle by a coulomb field. Hence, obtain an expression
For Rutherford scattering cross-section. What is the impo.rtance of the above expression ?

A charged particle is moving under the influence of a point nucleus. Show that the orbit of the particle is an ellipse. Find out the time. Period of the motion.
Attached Files
 Civil Services Main Examination Physics Question Paper 2012.pdf (472.5 KB, 29 views) Civil Services Main Examination Physics I Question Paper 2014.pdf (648.3 KB, 27 views) Civil Services Main Examination Physics II Question Paper 2014.pdf (98.8 KB, 30 views)
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