Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Beta particle penetrating ability. At left is a disc of strontium 90 (green), a radioactive isotope of the element, and at right is a Geiger counter. Between the two is a piece of aluminium foil. The strontium 90 disc is emitting beta particles, which are electrons emitted by unstable atomic nuclei. Not all of the beta particles are able to penetrate the aluminium and reach the detector in the Geiger counter. To see this apparatus without the aluminium shield see clip K004/4567.

Release details: Model release not required. Property release not required.

Keywords: aluminium foil, apparatus, beta decay, beta particles, decaying, demonstration, detecting, detection, emission, emitting, geiger counter, geiger-muller counter, isotope, measurement, measuring, no-one, nobody, penetrating ability, penetration, physical, physics, radiation, radioactive, radioactivity, radioisotope, radionuclide, school science, science education, shield, strontium 90

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Beta particle penetrating ability

K004/4566 Rights Managed

Downloadable master

Duration: 00:00:23.09

Frame size: 1920x1080

Frame rate: 25

Audio: Yes

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 389.3M

Original

Capture format: Sony FS700

Codec: Apple ProRes 422 HQ

Interlaced: Yes

Please contact Science Photo Library if you require the original, or other formats.

 

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