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6 Yrs
No. 175/10, Bank Road, Opposite Power House, Mohan Lal Building, 1st Floor
Ambala, Haryana-133001, India+(91)-171-2643035
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Plank's Constant Apparatus

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Objective:- to plot forward & reverse chat of a vacuum photo cell & to calculate its stopping potential.
features:- dual range power supply 0-1vdc/0-50 VDC with one dual range voltmeter & one sensitive center zero galvanometer of 25µa movement. Photo cell mounted in wooden box having window for injecting light & also for sliding the various filters. One wooden plank with 1/2 meter scale, light source with 100w lamp 7 set of filters.


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