Physics (AS & A Level) · Oct / Nov 2020 · Paper 42 · Question 7
9702
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Electrons in a beam are travelling at high speed in a vacuum. The electrons are incident on a metal target, causing X-ray radiation to be emitted. The variation with wavelength λ of the intensity I of the emitted X-ray radiation is shown in Fig. 7.1. 0 0 I λ Fig. 7.1 Explain why:
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7(a)[3]
7(b)[3]
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