Class 6 - Mathematics
Chapter - Visualizing Solid Shapes : Exercise 15.4
Top Block 1
Question : 1. A bulb is kept burning just right above the following solids. Name the shape of the shadows obtained in each case. Attempt to give a rough sketch of the shadow.
(You may try to experiment first and then answer these questions:)
Answer :
Sol.
| S.No. | Object | Shadow | Shape’s name |
|---|---|---|---|
| (i) | A ball |  | Circle |
| (ii) | A cylindrical pipe |  | Line |
| (iii) | A book |  | Rectangle |
Question : 2. Here are the shadows of some 3-D objects, when seen under the lamp of the overhead projector. Identify the solid (s) that match each shadow.
(There may be multiple answers for these!)
A circle A square A triangle A rectangle
Mddle block 1
Answer :
Sol.
| S.No. | Shadow | Shape’s Name | 3-D objects |
|---|---|---|---|
| (i) |  | Circle | Chapatti, Football, Disc, Plate etc. |
| (ii) |  | Square | Die, Square paper sheet, cubical magic box, Chalk box etc. |
| (iii) |  | Triangle | Ice-cream cone, Birthday cap, etc. |
| (iv) |  | Rectangle | Geometry box, Book, Table etc. |
Question : 3. Examine if the following are true statements:
(i) The cube can cast a shadow in the shape of a rectangle.
(ii) The cube can cast a shadow in the shape of a hexagon.
Answer :
(i) True (ii) False