Which one of the following waves is used for detecting forgery in curr

1.	Which one of the following waves is used for detecting forgery in currency notes? A. Ultraviolet waves B. Infrared waves C. Radio waves D. Microwaves
Answer» Correct option (a) Ultraviolet waves Explanation: Ultraviolet waves or UV rays are used for detecting fake and forged currency. The paper currency has a strip that is embedded in the note. This strip cannot be forged like that in the original currency. An authentic paper currency will fluoresce when it is illuminated by long wave ultraviolet light.

Which one of the following waves is used for detecting forgery in currency notes? A. Ultraviolet waves B. Infrared waves C. Radio waves D. Microwaves

Answer»

Correct option (a) Ultraviolet waves

Explanation:

Ultraviolet waves or UV rays are used for detecting fake and forged currency. The paper currency has a strip that is embedded in the note. This strip cannot be forged like that in the original currency.

An authentic paper currency will fluoresce when it is illuminated by long wave ultraviolet light.

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Which one of the following waves is used for detecting forgery in currency notes? A. Ultraviolet waves B. Infrared waves C. Radio waves D. Microwaves

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