Recent content by Ajaroy

Homework Statement A Capillary tube is made of glass of refractive index n1 . The outer radius of the tube is R.The tube is filled with a liquid of refractive index n2 < n1 .what should be the minimum internal radius of the tube so that any ray that hits the tube would enter the liquid...

Oh! Thanks I got it

Then by Pythagoras theorem OY2+OS12=S1Y2 And OY2+OS22 =S2Y2 Then by solving (OS1 +OS2) *2/S2Y+S1Y = DELTA X What should I do nnex?

I drew a perpendicular from Y to s1 s2line

What are X and Y Als how sin theta = y/x

1. Homework Statement Two speakers S1 and S2 derived by the same amplifier and placed at y=1 and y = - 1.The speakers vibrate in phase at 600 Hz. A man stands on the x-axis at a very large distance from the origin and starts moving parallel to the Y - axis. The speed of sound in air is 330ms-1...