by Sunday | Nov 10 | Physics JAMB
A. 508 cm³ B. 516 cm³ C. 608 cm³ D. 616 cm³ Correct Answer: Option D = 616 cm³ Explanation V1 = 600cm³, T1 = 27 = 273 = 300k T2 = 35 + 273 = 308K, V2 = ? (V)1/T1 = (V)2/T2 = V2 = (V)1/T1 x X T2 = (600 X 308)/300 = 616...
by Sunday | Nov 10 | Physics JAMB
A. the clock gains time B. the accuracy of the clock is not affected C. the clock losses time D. the clock stops working Correct Answer: Option C – the clock losses time Explanation The elastic potential energy of the balance wheel reduces as the wheel expands,...
by Sunday | Nov 10 | Physics JAMB
A. equivalent resistance B. electromotive force C. colour D. pressure Correct Answer: Option B Explanation Temperature difference between hot and cold junctions of thermocouple is proportional to the emf. generated
by Sunday | Nov 10 | Physics JAMB
A. (1)/3 B. (2)/3 C. (1)/5 D. (2)/5 Correct Answer: Option B = (2)/3 Explanation relative density = (weight of substance )/weight of equal volume of water = (4 – 2)/5 – 2 = (2)/3
by Sunday | Nov 10 | Physics JAMB
A. steam condenses and occupies the partial vacuum in the can B. external air pressure counterbalances the pressure within the can C. steam expands to occupy the vacuum remaining in the can D. external pressure becomes greater than the pressure within the can. Correct...
by Sunday | Nov 10 | Physics JAMB
A. 0.8 B. 1.1 C. 1.2 D. 1.3 Correct Answer: Option D = 1.3 Explanation hlpl = hwpw where, L =liquid and W = water (pl)/pw = (hw)/hl = (26.5)/20.4 = 1.299