Questions
The plane of dip circle is set in the geographical meridian and the apparent dip is . It is then set in a vertical plane perpendicular to the geographical meridian. The apparent dip becomes . The angle of declination is given by
detailed solution
Correct option is C
Here, in geographical meridian, tan θ1=VH cos αIn a plane perpendicular to the magnetic meridian, tan θ2=VH cos 90o-α=VH sin α∴tan θ1tan θ2=sin αcos α =tan αTalk to our academic expert!
Similar Questions
The values of the apparent angles of dip in two planes at right angles to each other are . Then the true value of the angle of dip at the place is
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