- 0s - 3s - 4s - 5s - 7s - 0s - 3s - 4s - 5s - 7s - 0s - 3s - 4s - 5s - 7s (d) A

Question

- 0s

- 3s

- 4s

- 5s

- 7s

- 0s

- 3s

- 4s

- 5s

- 7s

- 0s

- 3s

- 4s

- 5s

- 7s

(d) An event occurs at clock A when it reads 10 s. How long does the signal of that event take to travel to an observer stationed at the origin?

- 0s

- 3s

- 4s

- 5s

- 14s

(e) An event occurs at clock A when it reads 10 s. What time does an observer stationed at the origin assign to the event?

- 0s

- 3s

- 4s

- 5s

- 14s

Chapter 37, Concept Question 07 The plane of clocks and measuring rods in Figure (a) is like that in Figure (b). The clocks along the x axis are separated (center to center) by 1 light-second, as are the clocks along the y axis, and all the clocks are synchronized via the procedure described in Section 37.3

Explanation / Answer

a) Since, A is four clocks away from origin in x direction so it will take 4s more.

so initial time is then set will be 4s.

b)

Since, B is three clocks away in y direction from origin so it will take 3s more.

so initial time is then set will be 3s.

c)

Since, there is no direct connection diagonally.

So, going in x direction and in y direction afterward or viceversa we need to traverse seven clocks.

so initial time is then set will be 7s.

d)

From A to origin there is gap of four clocks so it will take 4s more.

e)

From A to origin there is gap of four clocks so it will take 4s more.

At A clock reads 10s. So, at origin it will read 14s.

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