Dorothy works as a medical chemical in a pharmaceutical company. what could one of her assignments be?

The de broglie relation λ=h/p can be rewritten in terms of the wave number k as p=kℏ. recall that wave number is defined by k=2π/λ. using the fact that λ=v/f, find the wave numbers k1 and k2 corresponding to frequencies f1 and f2. express your answer as two expressions

Porque crees que el agua no podia subir mas de 10 m de altura con ese tipo de bomba

What is created when solids,liquids,an gases mix with one another