Ultra Violet Lamp
Full Form of UVL
What is UVL?
Ultra Violet Lamp, commonly abbreviated as UVL, is a lamp that emits ultraviolet radiation in the UV-A, UV-B, or UV-C spectrum depending on its design and intended application. In India, UVL finds extensive use in laboratories, water purification plants, hospitals, forensic science departments, and currency verification machines used by banks and retail outlets. Banks across the country employ UV lamps to detect counterfeit currency notes, since the security features embedded in Indian rupee notes glow distinctly under specific wavelengths of UV light. Scientific institutions, pharmaceutical companies, and research centres use UVL for sterilization of equipment, visualization of DNA bands in gel electrophoresis, and photochemical reactions. The concept frequently appears in Indian competitive examinations, particularly in CBSE Class 10 and 12 Physics, NEET, and JEE papers where questions on electromagnetic spectrum, wave optics, and radiation are commonly asked. UVL devices are also used in dermatology clinics for treating skin conditions like psoriasis and vitiligo, in beauty parlours for curing gel polish, and in HVAC servicing to detect refrigerant leaks using UV-reactive dyes. Understanding the working principle of UVL remains essential for students of science, medicine, and engineering streams, especially those preparing for government technical recruitment examinations in India.
UVL का फुल फॉर्म
अल्ट्रा वायलेट लैंप
Example
The bank teller switched on the UVL to verify the authenticity of the suspicious ₹500 note submitted by the customer.