Physics Made Simple: Power Of A Lens - Blogger

power 4dGiven, Power of convex lens=4D. Placed at 40 cm from a wall. To Find, Distance of a candle. Solution, It is given that ,Power = 4D. Then, P = 1f. So, 4 D = 1fMagnum Corporation is the first company licensed to operate the exciting 4D Classic, including 4D Jackpot, 4D Jackpot Gold and Magnum Life. Social Responsibility Since inception in 1968,