(4) (1) or (2)
1. Two point charges +9q and + are kept 16 cm
apart. Where should a third
charge q be placed
between them so that the system remains in
equilibrium?
(1) 24 cm from +9q (2) 12 cm from + 99
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noun. the medium of illumination that makes sight possible. Also called: visible radiation electromagnetic radiation that is capable of causing a visual sensation and has wavelengths from about 380 to about 780 nanometres.
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