In the method of microscopic inspection what is the angle of beam light with the work?

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Mr. Dubey

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📊 Metrology and Measurements

Q. In the method of microscopic inspection what is the angle of beam light with the work?

(A) 200
(B) 300
(C) 600
(D) 900

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✅ Correct Answer: (C) 600

Explanation: in one method of microscopic inspection, a straight edge is placed on the surface to be inspected and a beam of light is projected at about 60 degree to the work. the shadows cast into the surface scratches are magnified and studied.

Explanation by: Mr. Dubey

in one method of microscopic inspection, a straight edge is placed on the surface to be inspected and a beam of light is projected at about 60 degree to the work. the shadows cast into the surface scratches are magnified and studied.

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