Question
Define density. What is the SI unit of density?
Density of substance $=\frac{\text{Mass of substance}}{\text{Volume of substance}}$
SI unit of density is kg/m3.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
For hearing the loudest ticking sound heard by the ear, find the angle x in the Fig.

Explain, how efficiency of irrigation can be increased.