The power of a lens is +4D. What is the nature of lens

power 4d Pick your 4D Powerball numbers 3 ways to increase your chances to win: add more 4D numbers, Powerballs, or both to form more combinations. Just add RM2 for every possible Powerball combination you get from your Combo Play. OR. Demension : 23.5 x 17.5 x 5.2 cm. Output Power in 4 ohm : 1 x 1500 W. Output Power in 2 ohm : 1 x 3000 W. Output Power in 1 ohm : 1 x 4500 W.

powergaming88 link alternatif, Two lenses have power of (i) + 2 d (ii) -4D. What is the nature and focal length of each lens? b. An object is kept at a distance of 100 cm from lens of power -4D. Calculate the image distance..