Two tunnels - `T_(1) " and " T_(2)` are dug across the earth as shown in figure. One end of the two tunnels have a common meeting point on the surface of the earth. Two particles `P_(1) " and " P_(2)` are oscillating from one end to the other end of the tunnels. At some instant particles are at mid point of their tunnels as shown in figure. Then - (a) Write phase difference between the particle `P_(1) " and " P_(2)`. Can the two particles ever meet? (b) Write the ratio of maximum velocity of particle `P_(1) " and " P_(2)`.

Two tunnels - `T_(1) " and " T_(2)` are dug across the earth as shown

1.	Two tunnels - `T_(1) " and " T_(2)` are dug across the earth as shown in figure. One end of the two tunnels have a common meeting point on the surface of the earth. Two particles `P_(1) " and " P_(2)` are oscillating from one end to the other end of the tunnels. At some instant particles are at mid point of their tunnels as shown in figure. Then - (a) Write phase difference between the particle `P_(1) " and " P_(2)`. Can the two particles ever meet? (b) Write the ratio of maximum velocity of particle `P_(1) " and " P_(2)`.
Answer» Correct Answer - (a) `180^(@),No " " (b) 2:1`

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