GATE (TF) Textile 2003 Question Paper Solution | GATE/2003/TF/27

Question 27 (Textile Engineering & Fibre Science)

Absorption of light in ultraviolet region and reflection in visible region is the phenomenon associated with

(A)Vat dyes
(B)Optical brightening agent
(C)Blueing agent
(D)Desizing agent
[Show Answer]

Option B

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