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
detailed solution
Correct option is C
tan30o=tanδcosθ= or cosθ=tanδtan30o=3tanδAgain, tan45o=tanδsinθ= or sinθ=tanδNow, sin2θ+cos2θ=1∴tan2δ+3 tan2δ=1or tan2δ=14 or tanδ=12\or 1cot δ=12 or δ=cot-12Talk to our academic expert!
Similar Questions
A dip circle lies initially in the magnetic meridian. If it is now rotated through angle in the horizontal plane, then tangent of the angle of dip is changed in the ratio
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