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Grade: 9
        
At what distance apart should two street lamps be placed so that the illuminance of the street surface at a point lying midway between the two poles is 6.4 lux ? the height of each lamp is 4m and the power of each lamp is 100c.p . 
one month ago

Answers : (1)

Harsh
13 Points
							
It is very easy Yfdycykxutzxtixtxxtkxykxykxycoyxiitztizkxxyocodyodyoxfixkydyoxyodyodoyxulxkyxluc9xyox6oxoydoyc96xoyso6xyodo6doydyodoya3usoyxtistkxoyddpyfo6x6pdpufpyxp6dpydo5sotxoo5zktzktxira itzitxoxztuitztkx5isoyzpyx6ooydtixykxyoslystlstksylso5s6ps5is6odo6dpydypdp6ditditdoyxo7dlugp8f6odo6do7dp7f8p
 
14 hours ago
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