Magnetism Question 61
Question: The angle of dip at a place is 60°. At this place the total intensity of earth’s magnetic field is 0.64 units. The horizontal intensity of earth’s magnetic field at this place is
[MP PET 1984]
Options:
A) 1.28 units
B) 0.64 units
C) 0.16 units
D) 0.32 units
Show Answer
Answer:
Correct Answer: D
Solution:
$ B _{H}=B\cos \varphi $
$ =0.64\times \cos 60^{o}=0.64\times \frac{1}{2}=0.32 $ units
BETA
