A radioactive isotope of the element potassium decays to produce argon. If the ratio of argon to potassium is found to be 31:1,
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Answer:
The distance is
Explanation:
From the question we are told that
The wavelength of the light is
The distance between the slit is
The between the first and second dark fringes is
Generally fringe width is mathematically represented as
Where D is the distance of the slit to the screen
Hence
substituting values