Recently Replied Questions

• trignometry quetions
  Q-1>sin2@=4xy/(x+y)2 ≤1 is true if & only if (a) x+y=1 (b) x=y,x≠0,y≠0 (c)x=y (d)x≠0,y≠0 Q-2>if p=2sin@/(1+cos@+sin@) & q=cos@/(1+sin @) then; a> pq=1 b> q/p=1 c> q-p&# ...
  0·2· #Physics#Mechanics
  replied2009-01-03 17:23:08
• Apparant distance between bubble and its image
  A Glass Slab ( refractive index=μ ) of height "h" is silvered at bottom surface. There is an air bubble "d" distance below the top surface. The observer is vertically above the bubble. The apparant distan ...
  0·7· #Physics#Optics
  replied2008-12-30 17:25:27