Answers

2014-10-05T19:08:24+05:30
1.The first mirrors used by people were most likely water collected in a some kind of primitive vessel. 2.The examples of the earliest manufactured mirrors made fron pieces of polished stone such as naturally occurring volcanic glass obsidian found in Anatolia (modern - day Turkey) have beenvdated to around 6000BC. Polished stone mirrors made in central and south America date from 2000BC onwards.3.Metal - coated glass mirrors are said to have been produced for the first time in sidon(modern day Lebanon) in the first century AD. The technique for creating crude mirrors by coating blown glass with molten lead was discovered bybthe Romans. Mirrors are also used in scientific appartus such as Telescope and lasers, cameras and industrial machinery.
5 2 5
Plz.. mark itvas best if u admit it..