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UPSC Civil Service Exam Questions

Q1: Which of the following variations of magnetic declination are correctly matched ?
1. Diurnal variation..........Variation whose time period varies from 100-350 years
2. Annual variation.........Annual rate of change of secular variation
3. Secular variaiion..........Variation of declination periodic in character
4. Irregular variation.........Caused due to magnetic storms in earth's magnetic field
Select the correct answer using the codes given below :

A 1, 3 and 4

B 2 and 3

C 1 and 4

D 3 and 4

ANS:D - 3 and 4

No answer description is available.



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