Saved Bookmarks
| 1. |
A soap bubble of radius `r` is placed on another bubble of radius `2r`. The radius of the surface common to both the bubbles isA. `(2r)/(3)`B. 3rC. 2rD. r |
|
Answer» Correct Answer - 3 `R_("eq")=(r_(1)r_(2))/(r_(2)-r_(1))=(2rxxr)/(2r-r)=2r` |
|