by Sunday | Nov 9 | Physics JAMB
A. moon is between the sun and the earth B. earth is between the sun and the moon C. moon is not completely hidden in the earth’s shadow D. moon’s umbra falls on some part of the earth Correct Answer: Option A – moon is between the sun and the earth...
by Sunday | Nov 9 | Physics JAMB
A. 0.06 D B. 0.02 D C. 0.03 D D. 0.04 D E. no option is correct Correct Answer: Option E – no option is correct Explanation V = – 50, U = 25CM (1)/r = (1)/v + (1)/u = (1)/-50 + (1)/25 = (1 + 2)/50 = (1)/50 f = +50cm = +0.5m p = (1)/r = (1)/0.5 = (10)/5 = 2...
by Sunday | Nov 9 | Physics JAMB
A. 0.3 B. 6.0 C. 3.0 D. 2.0 Correct Answer: Option C – 3.0 Explanation Dielectric constant = (c)/c° = (60)/20 = 3
by Sunday | Nov 8 | Physics JAMB
A. ultraviolet rays B. radio waves C. X-rays D. infrared – rays Correct Answer: Option C = X-rays Explanation X – rays have the highest frequency followed by X – rays, ultraviolet ray, visible light, infra – red and the least is radio...
by Sunday | Nov 8 | Physics JAMB
A. sound waves B. light waves C. radio waves D. x – rays Correct Answer: Option A – sound waves Explanation Sound is the only mechanical wave among the rest which are electromagnetic waves.
by Sunday | Nov 8 | Physics JAMB
A. kerosene B. grease C. water D. petrol Correct Answer: Option B – grease Explanation grease is more viscous than the rest of the liquids