Physics · Optics and Wave Phenomenon
An institutional laundry manager chooses to use optical brighteners while laundering white uniforms. The primary operational mechanism of optical brighteners is to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Absorb ultraviolet light and re-emit blue light to make fabrics appear whiter✓
- 2Prevent the natural shrinking of hydrophilic fibres
- 3Increase fabric thickness and thread count
- 4Remove grease stains chemically by saponification
Correct answer
Absorb ultraviolet light and re-emit blue light to make fabrics appear whiter
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