Question

the mass of a chocolate is 55 gram find the mass of 1149 packs of chocolate in kilogram​

Answer 1

Step-by-step explanation:

Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows.