supply and installation of various lab equipments part two for physics and photonics science department of nit hamirpur - 1 equipmental set up to determine the permeability of air. specifications:- coulomb and current balance kit, power supply 02, weight box, cylindrical base 02, diode laser with adapter 01, wooden scale 100cm, resistance module 01, flexible plug leads 50cm yellow, flexible plug leads 100cm red & black, measuring tap 3m. 2 equipmental set up to determine the permittivity of air. specifications:-coulomb and current balance kit, power supply 02, weight box, cylindrical base 02, diode laser with adapter 01, wooden scale 100cm, resistance module 01, flexible plug leads 50cm yellow, flexible plug leads 100cm red & black, measuring tap 3m. 3 to measure the spatial distribution of magnetic field between a pair if identical coils in helmholtz arrangement. specifications:-power supply dc 01, digital gauss meter with axial probe 01, support base 02, support rod 02, base for helmholtz coil 01, u channel small 01, deflection compass with base 01, axial probe holder 01, 4 experimental set up to study magnetic field along the axis of current carrying coil. specifications:-power supply dc 01, digital gauss meter with axial probe 01, optical bench 01, coil holder 01, fixed saddle 01, transverse saddle 01, axial probe holder 01, lead 100 cm black 01, lead 100 cm red, coils of different turns and diameter 06. 1 5 experimental set up to study dependency of magnetic field on coil diameter and number of turns. specifications:-power supply dc 01, digital gauss meter with axial probe 01, optical bench 01, coil holder 01, fixed saddle 01, transverse saddle 01, axial probe holder 01, lead 100 cm black 01, lead 100 cm red, coils of different turns and diameter 06. 1 6 experimental set up to study the biot-savart’s law. specifications:- power supply dc 01, digital gauss meter with axial probe 01, optical bench 01, coil holder 01, fixed saddle 01, transverse saddle 01, axial probe holder 01, lead 100 cm black 01, lead 100 cm red, coils of different turns and diameter 06. 1 7 experimental set up to study magnetic field of circular conductor. specifications: -optical bench ( 0.5 m ) 01, set of 3 circular loops with holders 01, power supply dc 01, gauss meter with axial probe 01, flexible plug lead 100 cm red 01, flexible plug lead 100 cm black 01, fixed saddle 01, transversal saddle with micrometer 01, axial probe holder 01. 8 equipmental set up to study optical phenomenon in microwave optics system. - microwave transmitter, microwave receive, gunn diode power supply, goniometer scale, aluminum reflectors, acrylic reflectors, semi-silverd reflector, polarizing grill, digital multi meter bnc to bnc cable, bnc to banana plug.