Recently Replied Questions

• lenses -- keka qsn
  A thin hollow equiconvex lens silvered at the back converges a parallel beam of light, at a distance of 0.2m in front of it. Where will it converge the same light, if filled with water (µ = 4/3). ...
  0·3· #Physics#Optics
  replied2009-01-01 06:28:21