tender for purchase of various items ( physics laboratory) supply of physics lab equipments, instruments, and materials etc. for alipurduar govt. engg. and management college , equipments, instruments, glass items, chemicals and materials etc. , co-efficient of viscosity by poiseulle’s capillary flow method .. , determination of unknown resistance by using carry fosters bridge. , determination of youngs modulus of the material of a beam , determination of wavelength of light by newtons ring method , determination of dispersive power of the material of a given prism. , determination of wavelength of light by fresnel’s bi-prism method , determination of numerical aperture and the energy losses related to optical fibre experiment , determination of thermal conductivity of a good conductor by searle’s method , measurement of thermal conductivity of bad conducting material by lees and charltons method with all accessories , determination of hall co-efficient of a semiconductor specimen ( complete setup ) , determination of bandgap hall co-efficient of a semiconductor specimen ( complete setup ) , frank-hertz experiment to verify the existence of atomic energy levels , determination of dielectric constant , electron spin resonance experiment determination of lande g-factor ( along with oscilloscope and digital multimeter ) , soldering iron , screw driver set , plier , cutting plier , digital multi-meter, dc / ac voltage, dc / ac current, resistance, diode volatge, diode continuity , determination of wavelength of light by laser diffraction method , nose plier