quantum physics

Question 1

electromagnetic radiation (decreasing wavelength)

Answer 1

1. radio
2. microwave
3. infrared radiation
4. visible light
5. ultraviolet
6. X-rays
7. gamma rays

Question 2

threshold frequency

Answer 2

the minimum frequency of electromagnetic radiation needed to eject electrons from the surface of a metal in the photoelectric effect

Question 3

threshold wavelength

Answer 3

maximum wavelength of electromagnetic radiation that can cause the emission of electrons from a metal surface in the photoelectric effect emission

Question 4

work function

Answer 4

minimum energy needed to remove an electron from the surface of a metal