If a 3 cm tall object placed perpendicular to principal axis of a convex lens of focal length 15 cm produces a real inverted image of height 15 cm, then its object distance (u) is ……. and image distance (v) is ……… |
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(a) |
u = - 18m, v = +90 m |
(b) |
u = + 18cm, v = -90 cm |
(c) |
u = - 18cm, v = +90 cm |
(d) |
u = + 18cm, v = +90 cm |
If a 3 cm tall object placed perpendicular to principal axis of a convex lens of focal length 15 cm produces a real inverted image of height 15 cm, then its object distance (u) is ……. and image distance (v) is ……… |
|||
(a) |
u = - 18m, v = +90 m |
(b) |
u = + 18cm, v = -90 cm |
(c) |
u = - 18cm, v = +90 cm |
(d) |
u = + 18cm, v = +90 cm |