by Sunday | Nov 6 | Physics JAMB
A. Mercury thermometer B. gas thermometer C. clinical thermometer D. alcohol thermometer Correct Answer: Option B – gas thermometer Explanation A gas thermometers are more besting use to achieve an accurate temperature than others, such as liquid in glass...
by Sunday | Nov 6 | Physics JAMB
A. 4:01 B. 1:04 C. 5:01 D. 2:01 Correct Answer: Option A – 4:01 Explanation Mechanical advantage (M.A) of a machine is the ratio of its load to effort Mathematically Mechanical advantage (M.A) = Load (L) ÷ Effort (E) In symbol M.A = L/E Note: Mechanical...
by Sunday | Nov 6 | Physics JAMB
A. 2 : 5 B. 1 : 5 C. 5 : 1 D. 3 : 1 Correct Answer: Option C = 5 : 1 Explanation Velocity Ratio (V.R) = distance moved by the effort (x)÷ distance moved by the load (y) i.e. V.R = x/y v. R = 5, x/y = ? i.e x/y = 5/1; , where x = 5, y = 1 x : y = 5 :...
by Sunday | Nov 6 | Physics JAMB
A. 2sec B. 3sec C. 35sec D. 2.4sec Correct Answer: Option A – 2sec Explanation Using the equation S = ut + ½ gt² H = s = 20m, t = ? G =10m/s², u = 0m/s 20 = 0 × t × ½ × 10t² 20 = 5t² i.e 5t² = 20 t² = 20/5 = 4 t = √4 =...
by Sunday | Nov 6 | Physics JAMB
A. 0.11kg B. 0.12kg C. 0.13kg D. 0.14kg Correct Answer: Option A – 0.11kg Explanation Heat capacity (o) = mass (kg) specific heat of a substance (C2) i.e Q = MC where Q = 40 J/L, m = ?(380 J/Kgk) 40 = m × 380 m = 0.11kg...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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