Radioactivity counting bench · 3D

Move a Geiger–Müller detector, insert shielding and collect a timed sample of random counts.

0 counts · 21.0 counts/s expected nowInteractive model

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Preparing the 3D experiment…

0.00 / 30.00 s

Experiment setup

Source–detector distance

Lead absorber thickness

Model source half-life

Initial detected rate at 10 cm

counts/s

Background rate

counts/s

Counting interval

Source shutter

Random trial

Live controls respond without restarting. Changes to initial conditions begin a new trial. Your notebook and view zoom are kept.