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Ainat [17]
3 years ago
7

What are the similarities and differences between light microscopes used by early scientists and light microscopes used today?

Chemistry
1 answer:
Aleks [24]3 years ago
3 0
Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light. Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes
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Lridium-192 is an isotope of iridium and has a half-life of 73.83 days. if a laboratory experiment begins with 100 grams of irid
fiasKO [112]
Radioactive material undergoes first order dissociation kinetics.

For 1st order system,
k = 0.693 / t1/2
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On rearranging we get, Ct = 100 (0.990656)^{t}

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