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Aufgaben zum 2.Video

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1. Aufgabe

When a nucleon rearranges in cobalt-60, the energy changes by 1,33 MeV shown and a γ-ray is emitted.

Determine the frequency and wavelength of the γ-ray.

2. Aufgabe

Write the balanced nuclear equation for each of the following decays: (a) β- decay of uranium-233; (b) proton emission of cobalt-56; (c) β+ decay of holmium-155

3. Aufgabe

Determine the particle emitted and write the balanced nuclear equation for each of the following nuclear transformations: (a) sodium-24 to magnesium-24; (b) 128Sn to 128Sb; (c) lanthanum-140 to barium-140; (d) 228Th to 224Ra.

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4. Aufgabe

Berechnen sie die Wellenlänge (nm), die Frequenz und die Energie in J einer Strahlung mit 2,00 eV.

In welcher Farbe nehmen wir diese Strahlung wahr?

620 nm 484∙1012 Hz 320∙10-21 J orange

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