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St. Francis' Convent School Holiday Homework - Class IX What kind of a working model can I make for my Holiday Science Project? It's supposed have some kind of utility too.

Answer»

make a LDR PROJECT. In which you have to use sensor. We see in many place that no one is their but the street Lights are glowing. In this case we can FIT sensor in ROAD so that the light GETS switched on only when a car or VEHICAL passes over it.



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