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...
by Sunday | Nov 6 | Physics JAMB
A. 2 sec B. 3 sec C. 4sec D. 3.2sec Correct Answer: Option D – 3.2sec Explanation From S = ut + ½gt² u = 0ms-1 50 = (0 × t) + ½(10)(t²) 50 = 5.0t² t² =50/5 t = √10 t =...
by Sunday | Nov 6 | Physics JAMB
A. Radio waves B. infrared rays C. Visible light D. Gamma rays Correct Answer: Option B – infrared rays Explanation Infrared rays are easily detected by special photographic films and it can be used for taking picture in...
by Sunday | Nov 6 | Physics JAMB
A. N – W when suspended freely B. N–S when suspended freely C. S – E when suspended freely D. S–W when suspended freely Correct Answer: Option B – N–S when suspended freely Explanation Lodestone is a natural magnet it points approximate at N – S when suspended...
by Sunday | Nov 6 | Physics JAMB
A. Thermometer B. Measuring cylinder C. Calorimeter D. Meter rule Correct Answer: Option C – Calorimeter Explanation Calorimeter is an apparatus used for measuring the heat (Q) generated or absorbed by change of phase (state) or other physical...
by Sunday | Nov 6 | Physics JAMB
A. Conduction B. Convection C. Radiation D. Expansion Correct Answer: Option D – Expansion Explanation Conduction, conveying of heat or electricity through a material medium is required