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29 July, 06:50

A radiation detector measures the radioactivity of a piece of radium by catching and counting alpha particles it emits. According to quantum physics, making this measurement affects the ___.

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Answers (2)
  1. 29 July, 08:30
    0
    The measurements are affected by the air mass

    Explanation:

    The radioactive emission consists of alpha, beta and gamma rays.

    The alpha particles are helium nuclei, with two positive charges and four um, so they are quickly stopped, by the layer of air around the emission zone, part of Radio.

    Beta particles are electrons with a negative charge and the mass of the electron, they penetrate the air layer more and need denser materials to stop them

    Gamma rays are waves of electromagnetic radiation, without electric charge or resting mass, which are very difficult to stop

    With the above the sentence should be completed:

    The measurements are affected by the air mass
  2. 29 July, 10:40
    0
    Physiological system

    Explanation:

    The discovery of radium has been observed to cause physiological defects particularly when radium is injected or inhaled in the blood system. it causes depression in leucocytes (white blood cells)
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