bids are invited for physics lab equipment , npn and pnp set up to find its characteristics , set up to study the spectral characteristics of a photo voltaic cell , breadboard with different components diode resistor transformer voltmeter ammeter , set up to determine the refractiv index of the material of a given prism using sodiim light apparatus spectrometer 01 a source of monochromatic light sodium light 01 prism 03 magnifying glass 06 , to determine dispersive power and resolving power of the material of a given prism using mercury light apparatus spectrometer 01 mercury vapor lamp 01 , travelling microscope 02 glass slab 02 petri dish 02 , newton ring apparatus , plancks constant apparatus by using led of four different color , set up for photo electtric effect phot current versus intensity and wavelength of light max energy of phot electrons versus frequency of light , cathode ray oscilloscope with banana cables , functional generator total quantity : 85