At an angle of $30^{\circ}$ to the magnetic meridian, the apparent dip is $45^{\circ} .$ Find the true dip :
At an angle of $30^{\circ}$ to the magnetic meridian, the apparent dip is $45^{\circ} .$ Find the true dip :
- [JEE MAIN 2021]
- A
$\tan ^{-1} \frac{1}{\sqrt{3}}$
- B
$\tan ^{-1} \frac{\sqrt{3}}{2}$
- C
$\tan ^{-1} \sqrt{3}$
- D
$\tan ^{-1} \frac{2}{\sqrt{3}}$
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