purchase of lab instruments for physics core laboratory for the year 2025 under idukki package-- 1 digital function generator {0.2 hz to 2 mhz, sine, square, triangular wave, signal amplitude of 20vp-p output } 2 cro digital- 100 mhz dual channel 3 arduino set 4 daniel cell, equivalent 5 electronic digital vernier calipers, inch and millimeter conversion,lcd screen displays 0-6 caliper measuring tool, automatic shutdown 6 laboratory thermometer (lc:0.5 degree celsius , should measure upto 150 degree celsius) 7 double slit with various widths marked on 8 prism – equilateral- flint glass, with one face grounded (2) 9 prism – equilateral- crown glass, with one face grounded (2) 10 voltage source (variable) [0-30 v, 2 outputs, digital display] 11 digital multimeter with voltage ( ac- at least 200 mv to 500 v, dc), current ( ac and dc from ma range) , resistance, frequency, transistor gain (hfe) measurements 12 laser source- diode 650 nm, 5mw fixed on stand with power supply 13 solar cell characteristic apparatus 14 single slit, with various slits marked on the instrument 15 diffraction grating with 100 lpi/200 lpi/ 500 lpi or their combination with marking on the instrument (different lpi preferred) 16 micrometer screw gauge 0-25 mm, 0.01 mm lc 17 screw gauge digital micrometer 0-25 mm, 0.01 mm lc 18 stainless steel digital vernier calipers, 6 inch 19 stop watch- electronic digital 20 spectrometer arrangement, lc 1’ 21 travelling microscope, both vertical and horizontal movement lc 0.01 mm 22 quartz prism- equilateral 23 mercury lamp with pins ( not screw type) 24 common weighing balance- digital , to weigh upto 10 kg, lc 1gm 25 digital light intensity meter (range 0 to 200000) 26 katers pendulum, with holder 27 narrow angle (small angled prism angular measurement 5 x 87.5 x 87.5 ie 5 degree size 32 x32 mm) crown glass 28 travelling microscope, (bridge) horizontal movement lc 0.01 mm , for newtons ring and airwedge experiments 29 digital ic tester 30 analog stop clock (lc:0.5s) 31 diffraction grating with 15000 lpi 32 digital oscilloscope dual channel input signal generator 100 mhz 1gsa/s sampling rate 7 tft display 240 kb storage 33 oscilloscope - 2.8 tft handheld digital oscilloscope kit portable automotive oscilloscope, 2.5ms/s high sampling rate, 200khz bandwidth, trigger function auto/nomal/single 34 helium neon laser 2mw, with power supply 35 half wave, full wave & bridge rectifier trainer kit 36 op amp trainer kit -to study op-amp inverting, non-inverting amplifier circuit, to study op-amp summer & subtractor, to study op-amp comparator circuit, to study op-amp voltage follower current follower, to study op-amp differentiator and integrator circuit.to study op-amp null detector, offset current & voltage circuit.to study op-amp clipping amplifier.to study op-amp sample & hold circuit.to study op-amp schimitt trigger circuit. 37 hall effect apparatus complete set 38 4 probe experiment apparatus for resistivity and bandgap of semiconductor 39 bh curve apparatus to study the retenvitya nd coercivity of a ferromagnetic material 40 apparatus to measureelectrical conductivity of metals and estimation of fermi energy. 41 digital lab thermometer. resolution : 0.1 degree celsius, at least measure upto 200 degree celsius 42 horse shoe magnet for sonometer experiment (approx 6 inch) 43 stainless steel ruler to measure upto 0.5 mm 44 digital lcr meter (range: 0.1µh to 20h, 0.1pf to 2000µf, 0.1ohm to 20mohm) 45 special wire stripper for electrician decrustation pliers multi-functional wire stripper and cutter, wire cutter tool, wire cutter stripper, wire cutter plier 46 25 pieces spanner set 6 mm to 32 mm