Chart No	Title	Price Code
	PS 1	Periodicity of Elements : Atomic Radii and Electro negativity. Contains the graphs obtained by plotting atomic radii and electo negativity against the atomic number.	B
	PS 4	Periodic Classification of Elements: long Form(125 X 200 Cms). This double sized chart gives the details of 112 elements such as atomic number, weight, name, symbol, boiling and melting points, density, atomic and ionic radii and electronic configuration.	2C
	PS 5	Liquefaction of Gases (Air). Shows physical phenomenon of Joule Thomsons effect with a flow diagrm for the liquefaction of gases.	C
	PS 6	Electro Magnetic Radiation Spectra. The spectrum is presented in its entirety, from the lowest frequency radio waves to cosmic radiation, a separate expanded spectrum of visible light with radiation units.	C
	PS 7	Emission Spectra of Hydrogen Atom. Shows the origin of Lyman, Balmer, Paschen, Brackett and pfund series, energy differences along with inward electron jumps from one shell to another.	C
	PS 8	Study of Thermionic and Photo Electric Emission. The first half of the chart shows the emission of electrons and the second half shows photo electric emission with a circuit diagram.	B
	PS 10	Discharge Tube Experiments: Part I. Demonstrates the Phenomenon of emission of cathode rays when the pressure of gas inside the tube is reduced and path of cathode rays in straight line.	B
	PS 11	Discharge Tube Experiments: Part II. Shows the deflection of cathode rays under magnetic field influence and the deflection under the influence of an electric field.	C
	PS 12	Principle underlying Thomson Experiment. Presents the path of cathode rays within the influence of magnetic and electric fields.	C
	PS 13	Effects of Electric Current. Common effects of electric current such as Heating, Chemical, electrostrictive and magnetic effects are shown.	C
	PS 14	Periodic Table of the Elements. Simplest and effective form showing the details of all elements and differentiation into solid, liquid and gases.	C
	PS 15	Periodic Table with s,p,d & f blocks. The elements are classified into s,p,d and f blocks for methodical visual memorisation with periodic details.	C
	PS 16	X- Rays (gas filled X-Rays tube) Depicts Gas filled X-ray tube, coolidge X ray tube and Braggs equation for diffraction of X; rays.	C
	PS 17	Structure of Ionic Compounds of Type AX (Zns, Nacl, CsCl). PS 17 Structure of Ionic Compounds of Type AX (Zns, Nacl, CsCl). The lattice structure of ionic compounds of the type AX, face centre of cubic lattice, Body centred Cubic lattice, and wurtzite structures.	C
	PS 18	Sodium Chloride Crystal (Elements of Symmetry in simple cube). Illustrates Sodium Chloride lattice, two fold, three fold and four fold axis of symmetry and centre of symmetry.	C
	PS 19	Millikans Oil Drop Method. Gives a clear vision of the oil drop path subjected to electric field showing the Millikans oil drop apparatus in three dimensional and sectional views.	B
	PS 20	Electro Chemical Cells. Shows Voltaic, Leclanche, Dry, weston cadmium, latimarclark, Alkaline and lead acid storage batteries.	C
	PS 21	Optical Activity. Depicts visible spectrum, polarised and unpolarised light, Nicol prism, polarimeter and the polarisation of light.	C
	PS 22	Radio Activity , Alpha Beta & Gamma Rays. Explains the properties of Alpha, Beta & Gamma rays with Rutherford and Gold leaf experiments.	C
	PS 23	Structure of Atom. Shows Thomson, Rutherford, Bohr, Sommerfeld models, electronic configuration and principal, Azimuthal, Magnetic and spin quantum numbers. Shows Thomson, Rutherford, Bohr, Sommerfeld models, electronic configuration and principal, Azimuthal, Magnetic and spin quantum numbers.	C
	PS 24	Nuclear Fission & Fusion. Presents the principle of fission, Bombardment of neutron on Uranium leading into chain reaction, fusion process of Deuterium & Tritium.	C

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