by Sunday | Jan 24 | Physics WAEC
A. 2.44mm B. 2.46mm C. 2.86mm D. 2.96mm Correct Answer: Option B B. 2.46mm
by Sunday | Jan 23 | Physics WAEC
A. 0.5 B. 0.8 C. 1.2 D. 1.5 Correct Answer: Option C C. 1.2 Explanation The element B has a mass number of 70 with atomic number 32. Hence, B has 32 protons and (70-32) = 38 neutrons. The neutron- proton ratio is 38:32 = 38/32 =1.1875...
by Sunday | Jan 23 | Physics WAEC
A. Medicine B. Oil industry C. Agriculture D. Weather forecast Correct Answer: Option D D. Weather forecast
by Sunday | Jan 23 | Physics WAEC
A. Gamma ray B. Radio wave C. Infrared ray D. X-ray Correct Answer: Option B B. Radio wave Explanation Radio wave has the longest wavelength and shortest frequency.
by Sunday | Jan 23 | Physics WAEC
I. Automatic devices for switching on light at dusk II. Automatic doors in departmental stores III. Automatic devices for switching on air conditioners IV. Automatic voltage stabilizers A. I, II and IV only B. I, III and IV only C. III and IV only D. I and II only...