It is a meter which is Used to Detect Alpha Rays , Beta Rays and Gama Rays.. there is Thin Mica Window from where Rays are entered in Tube the purpose of Mica Tube is That it don’t allow Argon Gas which is present in Geiger Muller Tube ..
Geiger -Muller Tube | Ecency
Problems Plus 1: Projectile fired from the originmes ·
