A beam of fast moving α-particles was directed towards a thin film of gold. The part A', B' and C' of the transmitted and reflected beams corresponding to the incident parts A, B and C of the beam are shown in the adjoining diagram. The number of α-particle in :

B' will be minimum and in C' maximum
A' will be maximum and in B' minimum
A' will be minimum and in C' maximum
C' will be minimum and in B' maximum
No solution provided for this question.
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