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Two tunnels are dug across the earth as ...

Two tunnels are dug across the earth as shown in figure. Two particles `P_(1)` and `P_(2)` are oscillating from one end to the other of tunnel `T_(1)` and `T_(2)` respectively. At some instant particles are at position shown in figure. Then

A

Phase difference between the particle `P_(1)` and `P_(2)` is `180^(@)`

B

Phase difference between the particle `P_(1)` and `P_(2)` is `120^(@)`

C

Ratio of maximum velocity of particle `P_(1)` is to `P_(2)` is 2 : 1

D

Particle `P_(1)` and `P_(2)` may meet at the junction of the tunnels after some instant

Text Solution

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The correct Answer is:
A, C
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