BLASTEXAMS

2025/26 PRIVATE WASSCE(WAEC GCE) NOV/DEC PHYSICS PRACTICAL REAL,SURE,LIVE,HELP,EXPO,RUNS, VERIFIED AND CONFIRMED THEORY AND ANSWERS BY COOLBOY FOR ALL COUNTRIES SUCH AS SIERRA LEONE,GHANA,GAMBIA AND NIGERIA

2025/26 PRIVATE WASSCE(WAEC GCE) NOV/DEC PHYSICS PRACTICAL REAL,SURE,LIVE,HELP,EXPO,RUNS, VERIFIED AND CONFIRMED THEORY AND ANSWERS BY COOLBOY FOR ALL COUNTRIES SUCH AS SIERRA LEONE,GHANA,GAMBIA AND NIGERIA

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2025/26 PRIVATE WASSCE(WAEC GCE/NOV/DEC ) PHYSICS REAL,SURE,LIVE,HELP,EXPO,RUNS, VERIFIED AND CONFIRMED THEORY AND OBJECTIVES ANSWERS BY COOLBOY FOR ALL COUNTRIES SUCH AS SIERRA LEONE,GHANA,GAMBIA AND NIGERIA

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</div><div><br></div><div>*NOTE:*</div><div>Pls kindly trace it from your system. The options are being reshuffled. You might see number 1 as any number, so trace and be fast. You might also see option A as option C, B or D. Just use the answers in words and and trace properly. Kindly Trace it 🙏 carefully to avoid errors!!!!</div><div><br></div><div><br></div><div>Physics -Obj </div><div><br></div><div>1; (B) coulomb per second.</div><div><br></div><div>2; (B) coulomb per second.</div><div><br></div><div>3; (C) W</div><div><br></div><div>4; (B) weight and upthrust.</div><div><br></div><div>5; (C) II and III only.</div><div><br></div><div>6; (C) 20 m/s^-¹</div><div><br></div><div>7; (A) 10cm</div><div><br></div><div>8; (B) 2.0m/s^-¹</div><div><br></div><div>9; (B) 0.75m/s^-²</div><div><br></div><div>10; (B) Solidification</div><div><br></div><div>11; (C) 13.33m/s^-¹</div><div><br></div><div>12; (D) 325.3v</div><div><br></div><div>13; (B) below the image.</div><div><br></div><div>14; (B) An atom emits radiation when its electrons move from a higher to a lower energy level</div><div><br></div><div>15; (B) 63mg (rounded)</div><div><br></div><div>16; (C) 11 m/s^-¹ (rounded)</div><div><br></div><div>17; (C) 116.7k (rounded)</div><div><br></div><div>18; (B) W/I²R</div><div><br></div><div>19; (A) Wavelength</div><div><br></div><div>20 ; (C) 75%</div><div><br></div><div>21; (C) 0.30m</div><div><br></div><div>22; (B) 45°</div><div><br></div><div>23; (D) The diagram showing the ray reflecting back into the original medium at the boundary.</div><div><br></div><div>24; (B) Generator</div><div><br></div><div>25: (C) tungsten</div><div><br></div><div>26; (B) amplitude</div><div><br></div><div>27; (C) 2.0g cm³</div><div><br></div><div>28; (A) 2</div><div><br></div><div>29; (A) I(R¹+R²+R³)</div><div><br></div><div>30; (B) 20m</div><div><br></div><div>31; (C) 2x</div><div><br></div><div>32; (B) 20ms^-</div><div><br></div><div>33; (C) kg m^²s^-²</div><div><br></div><div>34; (A) choose the one facing down</div><div><br></div><div>35; (A) F×d²</div><div><br></div><div>36; (B) Displacement is a vector quantity.</div><div><br></div><div>37; (B) has dimension M^-¹L³T^-²</div><div><br></div><div>38; (D) I,II and IV only</div><div><br></div><div>39; (B) 0.02m³</div><div><br></div><div>40; (A) total time of flight of a projectile.</div><div><br></div><div><br></div><div>41; (C) 300N</div><div><br></div><div>42; (B) 42°</div><div><br></div><div>43; (D)</div><div><br></div><div>44; (A) follow a circular path.</div><div><br></div><div>45; (D) proportional to the square root of the tension in it.</div><div><br></div><div>46; (D) 1/16</div><div><br></div><div>47; (A) 4.83*10¹⁴ Hz</div><div><br></div><div>48;  (A) Parabolic mirror</div><div><br></div><div>49; (D) 2.12N</div><div><br></div><div>50; (D) latent heat does not involve any change in temperature.</div><div><div class="separator" style="clear: both; text-align: center;">
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</div><div><br></div><div>2025-WAEC-GCE-PHYSICS-ANSWERS!!!</div><div>(1a)</div><div>TABULATE</div><div>Under; Ferromagnetic Materials;</div><div>(i)Cobalt</div><div>(ii)Iron</div><div>(iii)Nickel</div><div><br></div><div>Under; Paramagnetic Materials:</div><div>(i)Aluminum</div><div>(ii)Platinum</div><div>(iii)Sodium</div><div><br></div><div>(2a)</div><div>Half-wave rectification.</div><div><br></div><div>(2b)</div><div>Direct current.</div><div><br></div><div>(2c)</div><div>Diode.</div><div><br></div><div>(3)</div><div>An absorption spectrum is a spectrum of light that shows the wavelengths of light absorbed by a substance. When light passes through a medium, such as a gas, liquid, or solid, certain wavelengths are absorbed by the substance, while others are transmitted or reflected.</div><div><br></div><div>(6)</div><div>a = g sin θ</div><div>= 10 m/s² × sin 30°</div><div>= 10 m/s² × 0.5</div><div>= 5 m/s²</div><div>10 = 0 + (1/2) × 5 × t²</div><div>10 = 2.5 × t²</div><div>t² = 10 / 2.5</div><div>t² = 4</div><div>t = √4</div><div>t = 2s</div><div><br></div><div>(5)</div><div>I ∝ (distance)² × mass</div><div>I ∝ (distance)² × mass</div><div><br></div><div>The dimensions of:</div><div>-- distance are L (length)</div><div>-- mass are M (mass)</div><div><br></div><div>So, the dimensions of I are:</div><div>I ∝ L² × M</div><div>I ∝ ML²</div><div>Therefore, the dimensions of moment of inertia are ML².</div><div><br></div><div>(9ai)</div><div>(i) Sensible heat changes the temperature of a substance without changing its state, while latent heat changes the state of the substance without changing its temperature.</div><div>(ii) Sensible heat can be measured with a thermometer, but latent heat cannot be directly measured by temperature change.</div><div>(iii) Sensible heat is associated with heating or cooling, whereas latent heat is involved in phase changes such as melting, boiling, or condensation.</div><div><br></div><div>(9aii)</div><div>(i) The Sun</div><div>(ii) Geothermal energy from the Earth's interior</div><div><br></div><div>(9aiii)</div><div>(i) Mercury has a much higher boiling point, so it can measure higher temperatures than alcohol.</div><div>(ii) Mercury does not wet glass (gives a clear, continuous column and more precise readings) and is highly visible.</div><div><br></div><div>(9bi)</div><div>At 0 °C: R₀ = 10 Ω</div><div>At 100 °C: R₁₀₀ = 110 Ω</div><div>Linear relationship: R = R₀ + (ΔR/ΔT)·T, where ΔR = 100 Ω over 100 °C --> 1 Ω/°C.</div><div>For R = 75 Ω:</div><div>T = (R – R₀) / (ΔR/ΔT) = (75 Ω – 10 Ω) / (1 Ω/°C) = 65°C</div><div><br></div><div>(9bii)</div><div>Mass of water, m = 150 g = 0.150 kg</div><div>Specific heat capacity, c = 4200 J kg⁻¹ K⁻¹</div><div>Temperature rise, ΔT = 107°C – 60°C = 47K</div><div>Energy required, Q = mcΔT = 0.150 kg × 4200 J kg⁻¹ K⁻¹ × 47 K = 29610J</div><div>Heater power, P = 60W (Js⁻¹)</div><div>Time, t = Q/P = 29610/60 = 493.5s</div><div>Convert to minutes: 493.5 s ÷ 60 s/min = 8.2 minutes</div><div><br></div><div>(9bii)</div><div>(i) Both involve the transfer of thermal energy between a body and its surroundings.</div><div>(ii) Both are influenced by the material’s specific heat capacity (the amount of energy needed to change its temperature).</div>

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