Home Physics Work, Energy, Power and Collision Mix Two tunnels are dug across the earth as show…
Physics Work, Energy, Power and Collision Mix MCQ (Single Correct)

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 0
B
Phase difference between the particle P 1 and P 2 is 120 0
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

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Text Solution

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The correct answer is:
CHECK THE SOLUTION.

(a, c)

At the instant shown, both particle are at their mean position and moving in opposite direction. Phase difference = 180 0

As 'ɷ' is same for both particle

the phase difference will be maintained throughout and they can never meet.

v max = Aɷ → For particle undergoing S.H.M.

= =

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