Please wait - loading…

RADIATION

Description

P2 Radiation - Alpha/Beta/Gamma
amybellingham
Mind Map by amybellingham, updated more than 1 year ago
amybellingham
Created by amybellingham over 6 years ago
40
0

Resource summary

RADIATION
  1. radioactive
    1. substances which give out radiation from the nuclei randomly
    2. background radiation
      1. natural sources
        1. cosmic rays
          1. granite rock gives off gamma rays and radon gas
          2. artificial sources
            1. medical (CT scan/X-ray)
              1. nuclear power waste
            2. ALPHA
              1. 2 neutrons + 2 protons
                1. not very penetrating
                  1. blocked by 5cm air
                  2. not very ionising
                    1. positive charge
                    2. BETA
                      1. high energy electrons
                        1. emitted from unstable nuclei
                          1. made when neutron in nucleus splits
                            1. to make proton and electron
                        2. negative charge
                          1. medium penetration
                            1. stopped by paper/thin aluminium/few metres air
                          2. GAMMA
                            1. electromagnetic waves
                              1. high frequency/short wavelength
                                1. most penetrating
                                  1. only stopped by many cm's lead or many metres concrete
                                Show full summary Hide full summary

                                Similar

                                P2 Radioactivity and Stars
                                dfreeman
                                IGCSE Radioactivity Quiz
                                Jeffrey Piggott
                                P2 Radioactivity and Stars
                                IQRA AZAM
                                0654 Radioactivity Quiz
                                Jeffrey Piggott
                                Radioactivity
                                KittyG-S
                                Radioactivity
                                Alfonzzzo R
                                The Art of Dressing Hair Keywords!
                                Kirsty Warner
                                Gender Bias - The differential treatment or representation of genders based on stereotypes rather than real differences.
                                Anya Riley
                                Physics - P2
                                Brandon Larkin
                                Haemoglobinopathies
                                Matthew Coulson
                                P2 20/05/2015 pm
                                I M Wilson