SSC JE Electrical Engineering 2017 Set 4 Paper

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Question : 85 of 200
 
Marks: +1, -0
Consider the following pairs:
Event : Time interval ( in Seconds)
(1) Period of lightwave : 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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