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Questions  >>  CBSE XII  >>  Physics  >>  Magnetism and matter
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Q)

The declination at a place is $20^{\circ}$ west. In what direction should a ship be stressed so that it reaches geographic north east ?

$\begin{array}{1 1} 60^{\circ} \\ 110^{\circ} \\ 15^{\circ} \\ 65^{\circ} \end{array} $

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A)
Solution :
$N_m S_m$ is $20^{\circ}$ west of $N_g S_g$ To reach the geographic NE, the ship must be stressed at $(20^{\circ}+40^{\circ})=60^{\circ}$ east of magnetic north.
Answer : $ 65^{\circ}$
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