1.

The number of `alpha`-particless scattered per unit area N `(theta)` at scattering angle `theta` varies inversely asA. `cos^(4)((theta)/(2))`B. `sin^(4)((theta)/(2))`C. `tan^(4)((theta)/(2))`D. `cot^(4)((theta)/(2))`

Answer» Correct Answer - B


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