4D printing of MXene hydrogels for hh

power 4dhave found 30749 great 4d Desn Powerpoint templates for free. More animated ppt about 4d Desn free Download for commercial usable,Please visit . FollowGiven, 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 = 1f