MCQ
Sound travels in air:
- AIf particles of medium travel from one place to another.
- BIf there is no moisture in the atmosphere.
- ✓If disturbance moves.
- DIf both, particles as well as disturbance move from one place to another.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Object | Density $(kg/m^3)$ | Volume $(m^3)$ | Mass $(kg)$ |
| $A$ | $-$ | $2$ | $4000$ |
| $B$ | $8000$ | $4$ | $-$ |
| $C$ | $2000$ | $-$ | $1000$ |
| $D$ | $-$ | $4$ | $2000$ |