supply of physics lab equipments lab equipment -1 energy band gap apparatus - nbuilt in volt meter and micro ammeter, nprovision to connect external heater coil naccessories required 1500 c thermometer & 250ml beaker n 2 ultrasonic interferometer nfrequency :2 mhz; quartz cell carrying liquid accessories n 3 travelling vernier microscope n ( least count – 0.001 cm ) n 4 optical laser experimental apparatus: nlaser source – power 1-1000mw nfibre optical cable, meter scale with screen setup n 5 lee’s disc apparatus : nhollow cylindrical steam chest with inlet outlet tubes for steam, disc pressure rubber tube , iron stand with strings , nthermometer -150degree range, complete setup ) n 6 grating ( 2500 lines / inch ) , lycopodium glass plate 7 digital stop clock ( seconds ) 8 sodium vapour lamp ( 35 watt, with transformer source and wooden box stand for lamping ) 9 magnetic stirrer nspeed range 10 to 2, 000 rpm variable, capacity 1 litre plus n