Grazing angle in case of oblique light examination of documents pertains to _______.
A. 10° – 15°
B. 20° – 25°
C. 25° – 30°
D. 30° – 35°
Answer:A
Grazing angle in case of oblique light examination of documents pertains to _______.
A. 10° – 15° B. 20° – 25° C. 25° – 30° D. 30° – 35°