Which energy resource causes the most safety consents?

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

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

Me with this and you will be marked brainliest