Question: (a) Calculate the Knoop hardness when a 500-g load yields an indentation diagonal length of 100 m. (b) The measured HK of some material is

(a) Calculate the Knoop hardness when a 500-g load yields an indentation diagonal length of 100 m.

(b) The measured HK of some material is 200. Compute the applied load if the indentation diagonal length is 0.25 mm?

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