by Sunday | Nov 6 | Physics JAMB
A. Temperature B. Distance C. Displacement D. Mass Correct Answer: Option C – Displacement Explanation Displacement is a vector quantity
by Sunday | Nov 6 | Physics JAMB
A. 0.1mm B. 1.0mm C. 0.5mm D. 0.2mm Correct Answer: Option B – 1.0mm Explanation The Metre Rule The metre rule is graduated in centimetres and millimetres. The smallest graduation of the metre rule is 1 mm or 0.1 cm. This is its reading accuracy. Measurements...
by Sunday | Nov 6 | Physics JAMB
A. Voltmeter B. Meter rule C. Galvanometer D. Potentiometer Correct Answer: Option D – Potentiometer Explanation Voltmeter: An instrument for measuring electric potential in volts Galvanometer: it is a device used to indicate the direction of a small electric...
by Sunday | Nov 6 | Physics JAMB
A. 2 m/s B. 4 m/s C. 12 m/s D. 14 m/s Correct Answer: Option C Explanation d = y, s = 6 m/s (The Man & Plane Mirror) d – δy, s = (5 &ndash ;6) m/s (The Man and Image) d2 ÷ s1 = d2 ÷ s2, y ÷ 6 = 2y ÷ s + 6 Y (s + 6) = 2y × 6 s + 6 = 12 So = 12 – 6 = 6 Since S +...
by Sunday | Nov 6 | Physics JAMB
A. Have high boiling points B. have low boiling points C. have high densities D. have high melting points Correct Answer: Option B – have low boiling points Explanation Volatile liquids (i.e. Ammonia or Freon) usually have a low boiling...
by Sunday | Nov 6 | Physics JAMB
A. Efficiency of transformer = (secondary coil ÷ primary coil) × 100% B. Efficiency of transformer = (mechanical advantage ÷ velocity ratio) × 100% C. Efficiency of a transformer = (Number of turns in the secondary coil ÷ Number of turns in the primary coil) × 100% D....