8A real object is placed on the principal axis at a distanceof 20 cm froma convex lens. If the size of the image isthe twice of the size of object, then read the followingand choose the correct statement(s).sound beof all me(1) Hyd(2) Meth(a) The power of the lens is 7.5 D if the image is real.(3) Oxy(b) The power of the lens is 2.5 D if the image is real.4Glas(c) The power of the lens is 7.5 D if the image is virtual.14. Choose(d) The power of the lens is 2.5 D if the image is virtual.(1) In th(1) Only (a)(2 Only (a) and (d)nor(2) Thisof t(3) Only (d)(4) Only (b) and (c)arit chooco tho nair of auantities having same unitcon

8A real object is placed on the principal axis at a distanceof 20 cm f

1.	8A real object is placed on the principal axis at a distanceof 20 cm froma convex lens. If the size of the image isthe twice of the size of object, then read the followingand choose the correct statement(s).sound beof all me(1) Hyd(2) Meth(a) The power of the lens is 7.5 D if the image is real.(3) Oxy(b) The power of the lens is 2.5 D if the image is real.4Glas(c) The power of the lens is 7.5 D if the image is virtual.14. Choose(d) The power of the lens is 2.5 D if the image is virtual.(1) In th(1) Only (a)(2 Only (a) and (d)nor(2) Thisof t(3) Only (d)(4) Only (b) and (c)arit chooco tho nair of auantities having same unitcon
Answer» 8A real object is placed on the principal axis at a distanceof 20 cm froma convex lens. If the size of the image isthe twice of the size of object, then read the followingand choose the correct statement(s).sound beof all me(1) Hyd(2) Meth(a) The power of the lens is 7.5 D if the image is real.(3) Oxy(b) The power of the lens is 2.5 D if the image is real.4Glas(c) The power of the lens is 7.5 D if the image is virtual.14. Choose(d) The power of the lens is 2.5 D if the image is virtual.(1) In th(1) Only (a)(2 Only (a) and (d)nor(2) Thisof t(3) Only (d)(4) Only (b) and (c)arit chooco tho nair of auantities having same unitcon