MCQOPTIONS
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MCQOPTIONS
| 1. |
A dip needle lies initially in the magnetic meridian when it shows an angle of dip \[\theta \] at a place. The dip circle is rotated through an angle x in the horizontal plane and then it shows an angle of dip\[\theta \]. Then \[\frac{\tan \,\theta '}{\tan \,\theta }\]is |
| A. | \[\frac{1}{\cos \,x}\] |
| B. | \[\frac{1}{\sin \,x}\] |
| C. | \[\frac{1}{\tan \,x}\] |
| D. | \[\cos \,x\] |
| Answer» B. \[\frac{1}{\sin \,x}\] | |