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A dip circle shows an apparent dip of 60...

A dip circle shows an apparent dip of `60^@` at a place where the true dip is `45^@`. If the dip circle is rotated through `90^@`, what apparent dip will it show?

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A dip circle shows an apparent dip of 45^(@) at a place where the true dip is 30^(@) . If the dip circle is rotated through 90^(@) , what apparent dip will it show?

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SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
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