Question

# 1)What is volume ?2) What is magnitude?3) What is density?4) What is diffusion?5)What is osmosis?

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Solution

## Volume is the amount of space that a substance or object occupies, or that is enclosed within a container. V=massdensity=kgkgm3 Magnitude simply means “how much”. In physics, we use many kinds of numbers, two of which are scalars and vectors. A scalar is a number that only has a magnitude or an amount. Density is a defined as mass per unit volume. density can be calculated with respect to length, area, as well as volume. density=massvolume=kgm3 Diffusion is the net movement of molecules or atoms from a region of high concentration to a region of low concentration as a result of random motion of the molecules or atoms. Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.

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