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OpenStudy (anonymous):

12-The S.I unit of intensity of light is: a)Watt b)Watt m^-2 c)Watt s^-1 d)Candela x Time I know only SI unit 'Candela'..So confused :/

OpenStudy (anonymous):

intensity is power transferred per unit area so i think its unit is Watt m^-2

OpenStudy (anonymous):

Thanks @Rohitkhanna

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