A magnetic needle is free to rotate in a vertical plane which makes an angle of $60^{\circ}$ with the magnetic meridian. If the needle stays in a direction making an angle of $ an ^{-1}\left(\frac{2}{\sqrt{3}} ight)$ with horizontal, true dip value at that place is

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A magnetic needle is free to rotate in a vertical plane which makes an angle of $60^{\circ}$ with the magnetic meridian. If the needle stays in a direction making an angle of $	an ^{-1}\left(\frac{2}{\sqrt{3}}ight)$ with horizontal, true dip value at that place is

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A magnetic needle is free to rotate in a vertical plane which makes an angle of $60^{\circ}$ with the…

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