Basics

Question 1

What is the equation for the energy of a wave?

Answer 1

E = hf
Energy = plancks constant x frequency

Question 2

How can the equation for energy of a wave also be written to include wavelength?

Answer 2

E = hc/ℷ
Energy = plancks constant x the speed of light / wavelength

Question 3

How many joules are there in an electron volt?

Answer 3

1.6x10-19

Question 4

How many joules are there in a mega electron volt?

Answer 4

1.6x10-13