1.

It is known that the intensity of x - ray reduces exponentially when passed through any metal medium. If 1 cm of aluminium reduces x - ray intensity by factor of 10, then what thickness in cm is required if incident intensity is doubled to maintain same exit field intensity. [ln 10 = 2.3]

Answer» It is known that the intensity of x - ray reduces exponentially when passed through any metal medium. If 1 cm of aluminium reduces x - ray intensity by factor of 10, then what thickness in cm is required if incident intensity is doubled to maintain same exit field intensity. [ln 10 = 2.3]


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