by Sunday | Jan 23 | Physics WAEC
A. 250ms‾¹ B. 625ms‾¹ C. 1200ms‾¹ D. 1500ms‾¹ Correct Answer: Option C Explanation The fundamental frequency (f0) = v/2l f0=150Hz; l=400cm=4m 150=v/(2×4) v=150×8=1200ms−1
by Sunday | Jan 23 | Physics WAEC
A. doubled B. quartered C. halved D. quadrupled Correct Answer: Option B B. quartered Explanation Given K1 = mv²/2. When v is halved, we have K2 = m×(v/2)²/2 = K1/4 Hence, the initial kinetic energy is...
by Sunday | Jan 23 | Physics WAEC
A. increases B. decreases C. remain the same D. decreases and later increases Correct Answer: Option B B. decreases Explanation The velocity ratio and therefore, the mechanical advantage of an inclined plane system increases as θ decreases and...
by Sunday | Jan 23 | Physics WAEC
A. 50V B. 100V C. 200V D. 400V Correct Answer: Option C Explanation The ideal transformer (either step-up or step-down) works with the equation: Vs/Vp=Ns/Np=Ip/Is where Vs and Vp are the voltages applied to the secondary and the primary respectively Ns and Np are the...
by Sunday | Jan 23 | Physics WAEC
A. A and E B. B and D C. C and F D. D and H Correct Answer: Option D D. D and H
by Sunday | Jan 23 | Physics WAEC
A. between the focus and the lens B. at the focus C. between the focal length and twice the focal length D. beyond twice the focal length Correct Answer: Option A A. between the focus and the lens Explanation When the object is placed between the optical centre of the...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.