Applications: earth's magnetic field in navigation and mineral exploration. - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2:

• JAMB 1986

If the inclination at Ibadan is 7^oS, this means that

A. The angle between the geographic meridian and the magnetic meridian at Ibadan is 7^o
B. The earth's magnetic intensity at Ibadan makes angle 7^o with the horizontal direction
C. A magnetic needle will be inclined at 7^o to the vertical at Ibadan
D. The north pole of a magnetic needle dips downward at Ibadan