Northwestern Physics Demos                                 Go back to Atomics

DCS# 7D10.10NWU#A-8,10,19Location:    10 A 2
title: Radiation alpha, beta, gamma;  Thorium Coleman Mantle;
          Fiesta-ware Cup
aka:  Geiger counter & samples

A Geiger counter set on "beep" is used to show the radiation from:
    A. Comercial sources
    B. Thorium lamp mantles
    C. Fiesta-ware cup.
A box of shielding material helps differentiate the alpha, beta, and gamma radiation penetration.

    Where does the background radiation in the room come from?
pix of set upapparatus