Correct option is A
Ans. (a)
The term 'Nanotechnology' was first used by Norio Taniguchi in 1974. He used it to describe processes at the atomic and molecular scale for precision manufacturing.
Information Booster
1. Nanotechnology involves manipulating matter on a nanoscale (1-100 nm).
2. Applications:
· Medicine (drug delivery systems).
· Electronics (nano transistors).
· Environment (water purification).
3. Recent advances in nanotechnology focus on developing sustainable energy solutions.