TS EAMCET · Physics · Magnetic Properties of Matter
In the magnetic meridian of a certain place, the horizontal component of the earth's magnetic field is \(86.6 \mathrm{G}\) (Gauss) and the magnetic field of earth is \(100 \mathrm{G}\) (Gauss). Then the dip angle is
- A \(45^{\circ}\)
- B \(60^{\circ}\)
- C \(30^{\circ}\)
- D \(75^{\circ}\)
Answer & Solution
Correct Answer
(C) \(30^{\circ}\)
Step-by-step Solution
Detailed explanation
Let \(\phi\) be angle of dip Then, \(\cos \phi=\frac{\mathrm{B}_{\mathrm{H}}}{\mathrm{B}}=\frac{86.6}{100}=0.866=\frac{\sqrt{3}}{2}\) So, \(\phi=30^{\circ}\)
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