Smoke alarms emit about 10 milirems of radiation per year but are worth it to save your life from fires. Is there any new technology that's as cheap but safer? - Quora
Page 1 of 19 Smoke alarms contain an alpha radiation source and a radiation detector. Figure 1 shows part of the inside of a smo
![Alpha Ionising. How an 'Ionisation Smoke Alarm' works A source of alpha radiation is placed in the detector close to two electrodes The source causes. - ppt download Alpha Ionising. How an 'Ionisation Smoke Alarm' works A source of alpha radiation is placed in the detector close to two electrodes The source causes. - ppt download](https://images.slideplayer.com/20/6225155/slides/slide_2.jpg)
Alpha Ionising. How an 'Ionisation Smoke Alarm' works A source of alpha radiation is placed in the detector close to two electrodes The source causes. - ppt download
![GCSE PHYSICS - How does a Smoke Detector Work? - How is Radioactivity used in a Smoke Detector? - What happens when Smoke Enters a Smoke Detector? - GCSE SCIENCE. GCSE PHYSICS - How does a Smoke Detector Work? - How is Radioactivity used in a Smoke Detector? - What happens when Smoke Enters a Smoke Detector? - GCSE SCIENCE.](https://www.gcsescience.com/smoke-detector.gif)