1.

If the angles of dip at two places are 30o and 45o respectively, then the ratio of horizontal  components of earth's magnetic field at the two places will be                                                                  [MP PET 1989]

A.            \[\sqrt{3}:\sqrt{2}\]          
B.            \[1:\sqrt{2}\]
C.            \[1:\sqrt{3}\]                       
D.            \[1:2\]
Answer» B.            \[1:\sqrt{2}\]


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