Two events are simultaneous to an observer. Which of the following statements is

Question

Two events are simultaneous to an observer. Which of the following statements is true? Select one: a. They will generally not be simultaneous to other observers who move relative to the first observer. b. They will be simultaneous if the relative velocity is less than v lessthanorequalto c/2, and not simultaneous if v > c/2 c. They will generally also be simultaneous to other observers who move relative to the first observer. d. They will always be separated in time to other observers whether they move relative to the first observer or not.

Explanation / Answer

If the two events are simultaneous, it implies that the time taken by the signals to reach the observer is same. So, for another observer traveling relative to the first observer, one event will occur before the other and hence this observer must conclude that the events are not simultaneous.

Hence, it is option [a] : They will generally not be simultaneous to the other observer who move relative to the first observer.

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