From RI summary notes
| FrontText | Binding Energy |
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| BackText | Energy equivalent of the mass defect of a nucleus. |
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| Image | BE = Δmc² |
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| Front | Stopping potential Vs |
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| FrontText | Lenz's Law |
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| BackText | Lenz's law states that the direction of the induced e.m.f. is such as to cause effects to oppose the change producing it |
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