Physics

longitude of the locality

angle of inclination at the locality

latitude of the locality

angle of declination of the locality

a charged electroscope

an uncharged electroscope

a galvanometer

an electrometer

the angle between the geographic meridian and the magnetic meridian at Ibadan is 7^o

the earth's magnetic intensity at Ibadan makes angle 7^o with the horizontal direction

a magnetic needle will be inclined at 7^o to the vertical at Ibadan

the north pole of a magnetic needle dips downward at Ibadan

1.3 x 10¹⁵Hz

7.5 x 10⁵Hz

1.2 x 10¹¹Hz

7.5 x 10¹⁴Hz

\(\gamma\) - rays

X- particle

\(\beta\) - particles

X - rays