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Question
Two clocks are running in synchronism. One clock is moved at a very high speed and returned to the original position on the earth while the other remains at rest. The time passed in the travelling clock is 1 hr. Which of the following could be the time passed in the clock kept on the earth.
Two clocks are running in synchronism. One clock is moved at a very high speed and returned to the original position on the earth while the other remains at rest. The time passed in the travelling clock is 1 hr. Which of the following could be the time passed in the clock kept on the earth.
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Solution
The correct option is E 2 hours
According to the time dilation concept of relativity, the moving clock runs at slower rate than the rest clock i.e rest clock measures longer time taken by an event than the moving clock.Hence time elapsed in the clock kept on earth must be greater than 1 hr.
So, option E is correct.
According to the time dilation concept of relativity, the moving clock runs at slower rate than the rest clock i.e rest clock measures longer time taken by an event than the moving clock.
Hence time elapsed in the clock kept on earth must be greater than 1 hr.
So, option E is correct.
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