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Gammagraphs are obtained by passing __________ through a material.

(a) visible rays

(b) uv rays

(c) gamma-rays

(d) x-rays

I got this question by my college professor while I was bunking the class.

The above asked question is from Testing Aircraft Materials in chapter Testing Aircraft Materials of Aerospace Materials & Processes

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The correct option is (c) gamma-rays

To explain I would say: Gammagraphs are a type of radiographs. Hence, they are non-destructive in nature. They are obtained by passing gamma-rays through a material. Radiographs and Gammagraphs are also called shadow pictures.

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