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The earth's magnetic field at a certain ...

The earth's magnetic field at a certain place has a horizontal component 0.3 Gauss and the total strength 0.5 Gauss. The angle of dip is

A

`delta ="tan"^(-1) 3/4`

B

`delta ="tan"^(-1) 5/3`

C

`delta="tan"^(-1) 3/5`

D

`delta="tan"^(-1) 4/3`

Text Solution

Verified by Experts

The correct Answer is:
D

Horizontal component of earth's magnetic field
`B_(H)=B cos delta`
`:. cos delta =B_(H)/B=0.3/0.5=3/5`
`:. tan delta=3/5 or delta =" tan"^(-1) 4/3`
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