Old postcards, books, signs, photos and other paper products made before the late 1930s rarely glow under a black light. Chemical bleaches and dyes used in modern papers will fluoresce under ultraviolet light. Knowing this helps to detect forged documents and distinguish reproductions in all types of ephemera.
The work for which Sindhi poet and writer Vasdev Mohi won the Saraswati Samman for the year 2019 is titled:
Litmus solution is a purple dye, which is extracted from lichen, a plant belonging to the division ______.
Shri SL Bhyrappa received Padma Bhushan in the year 2023 for distinguished service of high order in which field?
Which of the following rivers form Kunchikal waterfall in Karnataka?
'Tara saari' is basically related to which state?
Which of the following is the largest river basin?
Through which of the following processes does alternating current (AC) get converted to direct current (DC)?
Consider the following statements with reference to ‘Trade Infrastructure for Export Scheme (TIES)’:
I. The Trade Infrastructure for Expor...
The Union Cabinet's approval for the Pradhan Mantri Awaas Yojana-Gramin (PMAY-G) for the period FY 2024-25 to 2028-29 includes financial assistance for ...
Special Economic Zones (SEZ) in India are established to promote which of the following?
