MCQ
Newton assumed that sound propagation in a gas takes under
- ✓Isothermal condition
- BAdiabatic condition
- CIsobaric condition
- DIsentropic condition
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\vec a = 4\hat i - \hat j$, $\vec b = - 3\hat i + 2\hat j$ and $\vec c = - \hat k$
where $\hat i,\,\hat j,\,\hat k$ are unit vectors, along the $X, Y $ and $Z-$axis respectively. The unit vectors $\hat r$ along the direction of sum of these vector is


