SSC JE Mechanical Engineering 2nd March 2017 Shift-1 Question 185

Question 185

Consider the following pairs:
Event : Time interval ( in Seconds)
1] Period of light wave : 10-15
2] Wink of eye : 101
3] Time period of a satellite : 104
4] Revolution period of the earth : 107
Which of the above pairs are correctly matched?


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