Physics Section 5

1. / when electromagnetic radiation behaves like a particle it is a_____.
3. / the small wave length means that _________ can be focused and detected by small antennas.
6. / Nuclei and electrons make up ______.
8. / the high _______ per photon means that the photons are easy to detect.
9. / most convent energy unit for atoms and visible light
11. / light and it's relatives, from short wave length to long wavelength.
12. / ________ make up DNA
13. / h/(mv)
14. / _______are made up of n and p
18. / combinations of two neutrons and two protons.
20. / if we can see it it is ___________.
22. / generally produced by accelerating charges usually electrons.
23. / wavelengths range from miles to yards or meters.

2. / the most successful theory humans know is called _______.
4. / ________ have the same AN but different numbers of neutrons.
5. / electrons that come from nuclear events.
7. / you cannot find out at the same time where a particle is and where it is going to any desired degree of accuracy.
10. / neutrons and protons are held together by _______
15. / quarks are held together by _________.
16. / high energy EMR
17. / _____ particles can only have certain energy and cannot have zero energy.
19. / antimatter electrons.
21. / ________ shares many characteristics of visible light.