18: Equations

Question 1

Initial Kinetic Energy =
of a scattered particle

Answer 1

Electric Potential Energy = kqQ/r
where q = charge of an alpha particle (C)
Q = charge of a gold nucleus (C)

Question 2

Neutron Decay:

Answer 2

_
n → p + e⁻ + ν
Last one is an anitneutrino

Question 3

What is the equation for the angle of the first minimum in electron scattering?

Answer 3

sinθ = 1.22λ/d