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Nuclear Radius and Density

OCR A-level PhysicsRadioactivityLesson 25 of 25

If the radius is plotted against their mass number for different nuclei it can be shown that the radius R depends on the mass number. The relationship is given by R = r0A&fract13

A graph of R agains A&frac13 gives a straight line through the origin with gradient r0 = 1.05fm.

Diagram

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