Q45. Aditya and his friend Manoj placed a candle flame in front of a convex lens at various distances from it and obtained the image of the candle flame on a white screen. He noted down the position of the candle, screen and the lens as under Position of candle = 20 cm = Position of convex lens = 50 cm Position of the screen = 80 cm A Convex lens B В" AF What is the position of the image formed from th convex lens? a. 80 cm c. 30 cm b. 50 cm d. 60 cm.
Answers
(A).Distance of object from lensu=50−26=24cm
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 −
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 =
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 24
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 −
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −24
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 =
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1 2
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1 224
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1 224
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1 224 =−f
(A).Distance of object from lensu=50−26=24cmDistance of the screen from the lensv=74−50=24From lens formula,v1 − u1 = f1 241 − −241 = f1 224 =−ff=−12cm
Answer: 30cm ,option c
Explanation:
Distance of image from lens=80−50=30cm
Convex Lens Definition
This kind of lens has a thicker centre and a thinner edge.
- Typically, an optical lens consists of two spherical surfaces.
- The term "biconvex lens" or "convex lens" refers to a lens that has those surfaces curved outward.
- A beam of light originating from the outside can converge and focus via these kinds of lenses on a spot on the other side.
- The focal length of a convex lens is the measurement between the lens's center and its focus.
- This point is known as the focus. The term "plano-convex lens" is used when one of the surfaces is flat and the other convex.
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