Which of the following options has an incorrect example?
ALuminous body - Electric fish, sea walnut
BNon-luminous body - Moon, Earth
CPlane mirror - Periscopes, solar cookers
DNone of these
Which of the following options has an incorrect example?
ALuminous body - Electric fish, sea walnut
BNon-luminous body - Moon, Earth
CPlane mirror - Periscopes, solar cookers
DNone of these