1.

What is the formula of angle of dip ?

Answer»

(A) `TAN^(-1) (B_h)/( B_v)`
(B) `tan^(-1) (B_v)/( B_h)`
(C) `tan^(-1) (B_v)/(B)`
(D) `tan^(-1) (B_h)/(B)`

Solution :`tan phi = (B_v)/( B_h)`
`rArr phi = tan^(-1) (B_v)/( B_h)`


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