Saved Bookmarks
| 1. |
If a substance is heated or cooled, the linear expansion occurs along the axis of ______.(a) X or -X (b) Y or -Y (c) both (a) and (b) (d) either (a) or (b). |
|
Answer» (c) both (a) and (b) When a substance is heated its expansion is positive i,e, can be taken along either +X or +Y direction. But when substance is cooled it’s either length or area or volume decreases i.e. with respect expansion, it is opposite direction i.e. either -X or -Y direction respectively. |
|