List of top Physics Questions on the earth's magnetic field asked in AP EAPCET

At a given place the ratio of the total magnetic field of Earth to the horizontal component of Earth's magnetic field is \(2\). The angle of dip at that place is
If the earth's magnetic field at a certain place has a horizontal component of $ 5 $ gauss and a total field of $ 13 $ gauss, then the angle of dip at that place is: