Description :
Tenders for Purchase Of Physics Lab Equipments For Department Of Physics - Physics Lab Equipments, Traveling Vernier Microscope With Brass Metal / Ss Horizontal Scale 20 Cm And Vertical Scale 14 Cm, Least Count = 0.001 Cm And Vernier = 0.01mm With Magnifier Lens, Provided With The Best Quality Achromatic Objective And 10x Ramsden Eye Piece With Fine Cross Line Wire. Complete With Nicely Polished Wooden Box., Photo-electric Effect, - Complete Setup To Determine The Planck S Constant Planck Constant By Photoelectric Effect : Photosensitive Device : Cs Vacuum Photo Tube , Light Source : Halogen Tungsten Lamp12v/35w , Color Filters : 635nm(red), 570nm(orange), 540nm(yellow), 500nm (green), 460nm (blue), Accelerating Voltage : -15v To Ov & O To 15v, 2% , Output : 15v Continuously Variable Through Multi-turn Pot , Display : 3 Digit 7-segment Led , Accuracy : 0.2% , Current Detecting Unit : Digital Nano Ammeter , Range : 10001.1a, 1001.1a, 10[ta A 1 A , Resolution : 1na , Display : 3 Digit 7-segment Led , Accuracy : 0.2% , Power Requirement : 220v 10%, 50hz , Current Multiplier : 1, 0.1, 0.01 & 0.001, Scale : Length 400 Mm , Dark- Current : 0.003 A , Measuring Error : 15% Compared With The Recognized Value (h=6.62619 10-34j.s) . .