by Sunday | Aug 29 | Physics WAEC
A wire is stretched between two points, 1m apart. If the speed of the wave generated on plucking the wire is 200ms-1, what is the minimum frequency which will resonate with the wire? A. 50 Hz B. 75 Hz C. 100 Hz D. 150 Hz E. 200 Hz Correct Answer: Option E – 200...
by Sunday | Aug 29 | Physics WAEC
A. real, inverted and magnified B. at the principal focus C. real and diminished D. erect and virtual E. at the centre of curvature Correct Answer: Option E – at the centre of curvature
by Sunday | Aug 29 | Physics WAEC
A. Incandescent electric bulb B. Incandescent fluorescent tube C. Lighted candle D. The moon E. The sun Correct Answer: Option D – The moon
by Sunday | Aug 29 | Physics WAEC
A. inverted B. magnified C. erect D. real E. the same size as the object Correct Answer: Option C – erect Explanation The images formed by a diverging lens is a virtual and erect image.
by Sunday | Aug 29 | Physics WAEC
I. Pinhole camera II Formation of shadows III. Diffraction of light IV. Occurrence of eclipse A. I and III only B. II and III only C. I, II and III only D. I, II and IV only E. I, II, III and IV Correct Answer: Option E – I, II, III and...
by Sunday | Aug 29 | Physics WAEC
A. 1.63 B. 1.50 C. 1.49 D. 1.33 E. 1.02 Correct Answer: Option A – 1.63