by Sunday | Nov 8 | Physics JAMB
I. Density of the liquid. II. Depth below the surface of the liquid. III. Surface area of the liquid. A. I and II only. B. II and III only. C. I, II and III only. D. I and III only. Correct Answer: Option A – I and II only. Explanation Pressure in liquid is...
by Sunday | Nov 8 | Physics JAMB
A. 80 J B. 500 J C. 300 J D. 120 J Correct Answer: Option B – 500 J Explanation Efficiency = work output/work input×100 = 40 = (20×10)/ x 100 = 500J
by Sunday | Nov 8 | Physics JAMB
A. 900 JK−¹ B. 90 JK−¹ C. 100 JK−¹ D. 200 JK−¹ Correct Answer: Option A – 900 JK−¹ Explanation Heat supplied = Heat gained Pt = MCDθ 30 x 5 x 60 = c x 10 where c = mc which is the heat capacity c = (30 x 5 x60)/10 = 900...
by Sunday | Nov 8 | Physics JAMB
A. sublimation B. condensation C. coagulation D. regelation Correct Answer: Option D – regelation Explanation Regelation means refreezing a phenomenon whereby melted ice-free from increased pressure refreeze when they are released from the...
by Sunday | Nov 8 | Physics JAMB
A. 30s B. 10s C. 10s D. 15s Correct Answer: Option A – 30s Explanation V = (2X)/t 330 = (2 x 4.95 x 10³)/t t = (9.9. x 10³/330 = (9900)/330 = (90)/3 = 30 secs
by Sunday | Nov 8 | Physics JAMB
A. atmosphere absorbs the sun’s energy at night B. earth radiates heat to the atmosphere at night C. sun no longer shine at night D. atmosphere reflects the sun’s energy at night Correct Answer: Option B – earth radiates heat to the atmosphere at...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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