Description :
Tenders for Purchase Of Physics Lab Equipments As Per Boq - Physics Lab Equipments, Melde S String Experiment Setup To Find The Frequency Of An Electrically Vibrating Metal Tip. Melde S Apparatus Electrical Vibrator Of Frequency 50 Hz With Ac Power Supply, 3 Meter Length Of Strong White Cord, Bench Clamp And Pulley For Attachment To The Edge Of A Bench,plastic Scale Pan With Hook To Carry Weights For Tensioning The Cord., 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) . .
