X1

X1 consists of educational physics articles in Persian. To see the (English) abstract of each article, no particular software is needed. But the full texts are in the pdf format. To view them, Adobe (Acrobat) reader 5 or later is needed. Adobe reader can be obtained from Adobe reader download.

Using, printing, and publishing these texts for non-commercial purposes is free, provided they are not alterred in any sense (including text, style, and orthography). For any other use, author's permission is needed.

• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001

X1-068 (2010/05/27) abs      full text
                    The conformal transformation and the Poisson's problem in two dimensions

X1-067 (2010/04/24) abs      full text
                    Simultaneous observers

X1-066 (2010/02/26) abs      full text
                    Two charged conductiong spheres

X1-065 (2010/01/28) abs      full text
                    The scalar potential of a tube with an azimuthal current

X1-064 (2009/11/28) abs      full text
                    Poincaré mappings and the priciples of special relativity   

X1-063 (2009/10/29) abs      full text
                    The internal energy of a relativistic ideal gas   

X1-062 (2009/08/19) abs      full text
                    Diagrammatics I

X1-061 (2009/07/30) abs      full text
                    The de Hass-van Alphen effect in two dimensions

X1-060 (2009/05/22) abs      full text
                    Virial and the van der Waals equation

X1-059 (2009/04/24) abs      full text
                    Parallel transport in two dimensions

X1-058 (2009/02/26) abs      full text
                    The statistical mechanics of the rotator

X1-057 (2009/01/08) abs      full text
                    Thermodynamics of single particle interactions

X1-056 (2008/11/28) abs      full text
                    The semiclassical approximation

X1-055 (2008/10/25) abs      full text
                    The dispersion relation of vector waves

X1-054 (2008/08/27) abs      full text
                    Planets' lights

X1-053 (2008/07/25) abs      full text
                    Rolling friction

X1-052 (2008/05/29) abs      full text
                    Surface waves of liquids

X1-051 (2008/04/29) abs      full text
                    Thomas precession

X1-050 (2008/02/29) abs      full text
                    Relativity and constant acceleration

X1-049 (2008/01/31) abs      full text
                    Relativity and systems with variable mass

X1-048 (2007/11/23) abs      full text
                    Wave propagation in moving media

X1-047 (2007/09/13) abs      full text
                    The action and discrete time

X1-046 (2007/07/31) abs      full text
                    Distillation and the composition of liquid and vapor

X1-045 (2007/06/29) abs      full text
                    The triple point, and the vapour pressure

X1-044 (2007/04/19) abs      full text
                    The Sagnac effect

X1-043 (2007/02/28) abs      full text
                    The holomorphic picture of the harmonic oscillator

X1-042 (2007/01/29) abs      full text
                    Evolution of continuous random variables

X1-041 (2006/11/17) abs      full text
                    A long cylinder floating on the surface of a liquid

X1-040 (2006/09/29) abs      full text
                    The rotational states and the phase space

X1-039 (2006/07/31) abs      full text
                    Towards a specific point on the sphere

X1-038 (2006/06/29) abs      full text
                    Rigid body and special relativity

X1-037 (2006/04/27) abs      full text
                    Space symmetries of the magnetic field

X1-036 (2006/02/12) abs      full text
                    The time interval between two successive moonsets

X1-035 (2006/01/08) abs      full text
                    Uniformly-charged solid ellipsoid

X1-034 (2005/11/08) abs      full text
                    The spinor representations of so(4)

X1-033 (2005/09/03) abs      full text
                    Escape of a gas through a small opening

X1-032 (2005/07/30) abs      full text
                    Motion of a charge in a uniform and constant electromagnetic field

X1-031 (2005/06/30) abs      full text
                    The sound barrier

X1-030 (2005/04/12) abs      full text
                    The density matrix

X1-029 (2005/02/20) abs      full text
                    The energy-momentum tensor II

X1-028 (2005/01/07) abs      full text
                    The energy-momentum tensor I                    

X1-027 (2004/10/23) abs      full text
                    The area distribution of a submanifold

X1-026 (2004/09/13) abs      full text
                    Why do stars twinkle?

X1-025 (2004/07/23) abs      full text
                    Newton's laws

X1-024 (2004/06/12) abs      full text
                    Newtonian cosmology                    

X1-023 (2004/04/01) abs      full text
                    Scattering in one dimension                    

X1-022 (2004/02/21) abs      full text
                    Hydrogen-like ions, and spherical spinors                    

X1-021 (2004/01/22) abs      full text
                    The electromagnetic field equations in matter                    

X1-020 (2003/11/20) abs      full text
                    The pressure-difference due to the surface tension, 
                    and the differential geometry of surfaces                    

X1-019 (2003/09/29) abs      full text
                    The motion of a charged particle 
                    in an almost-homogeneous magnetic field

X1-018 (2003/08/28) abs      full text
                    The effect of the Earth's atmosphere 
                    on the apparent size and shape of objects

X1-017 (2003/06/08) abs      full text
                    Symmetry and the small oscillations

X1-016 (2003/05/12) abs      full text
                    Symmetry and the Lagrangian formulation II

X1-015 (2003/03/21) abs      full text
                    Symmetry and the Lagrangian formulation I

X1-014 (2003/02/12) abs      full text
                    A bubble between two circular boundaries:
                    a simple phase transition

X1-013 (2002/12/08) abs      full text
                    rigid body rotation, 
                    and the phase space formulation

X1-012 (2002/10/04) abs      full text
                    Magnetic multipoles in magnetostatics

X1-011 (2002/09/01) abs      full text
                    Birth of the modern quantum mechanics, 
                    in today's language

X1-010 (2002/07/14) abs      full text
                    Elliptic coordinates 
                    in some electromagnetics problems

X1-009 (2002/05/09) abs      full text
                    Oscillations of a body attached to 
                    a massive spring

X1-008 (2002/03/21) abs      full text
                    How oblate is the earth?

X1-007 (2002/01/30) abs      full text
                    Transverse oscillations of a column of liquid

X1-006 (2001/12/21) abs      full text
                    Stochastic processes

X1-005 (2001/10/03) abs      full text
                    The electrostatic potential,
                    the potential-coefficients matrix,
                    and the capacity matrix

X1-004 (2001/08/01) abs      full text
                    Sundial

X1-003 (2001/06/28) abs      full text
                    Green's functions of the Laplace and
                    diffusion equation on the sphere
                    and plane: contraction

X1-002 (2001/04/01) abs      full text
                    Green's functions of the wave equation
                    in different dimensions

X1-001 (2001/02/21) abs      full text
                    Symmetries in quantum mechanics,
                    and the degeneracy of the Hamiltonian