by Sunday | Nov 1 | Physics JAMB
A. Convection B. Radiation C. Conduction D. Reflection Correct Answer: Option B – Radiation Explanation Radiation refers to the transmission of energy as electromagnetic radiation from its emission at a heated surface to its absorption on another surface, a...
by Sunday | Nov 1 | Physics JAMB
A. X – ray B. Y –ray C. α – particles D. neutron Correct Answer: Option A – X – ray Explanation Y – Ray is penetrating electromagnetic radiation. α – particle is produced in the process of alpha decay. Neutron is a sub-atomic...
by Sunday | Nov 1 | Physics JAMB
A. thermionic emission B. nuclear fission C. thermonuclear fusion D. photoelectric emission Correct Answer: Option C – thermonuclear fusion Explanation Thermionic emission: thermally induced flow of charge Nuclear fission: nuclear reaction or a radioactive decay...
by Sunday | Nov 1 | Physics JAMB
A. Transitional Motion B. Rotational Motion C. Brownian Motion D. Oscillatory Motion Correct Answer: Option C – Brownian Motion Explanation Brownian motion, also called Brownian movement, any of various physical phenomena in which some quantity is constantly...
by Sunday | Nov 1 | Physics JAMB
A. 33°C B. 40°C C. 25°C D. 10°C Correct Answer: Option A – 33°C Explanation Water 1 => M = 150g = 0.15kg, θ2 = 60°C; θ1 = θ Q1 = MC (θ2 – θ1) = 0.15C (60 – θ) Water 2 => M = 300g = 0.3kg θ1 = 20°C, θ2 = θ Q2 = MC (θ2 – θ1) = 0.3C (θ – 20) Combining...
by Sunday | Nov 1 | Physics JAMB
A. Mercury is a metal B. The cohesive force between its molecules is greater than the adhesive force between mercury and glass molecules C. The cohesive force between its molecules is less than the adhesive force between mercury and glass molecules D. The viscosity of...
by Sunday | Nov 1 | Physics JAMB
A. 60V B. 150V C. 225V D. 360V Correct Answer: Option A – 60V Explanation P = 40W R = 90W V = ? P = \(\frac{V^2}{R}\) V\(^2\) = PR = 40 x 90 V\(^2\) = 3000 V = √3600 V =...
by Sunday | Nov 1 | Physics JAMB
A. Low density B. Hypothermal conductivity C. Low electrical resistivity D. Low melting point Correct Answer: Option D – Low melting point Explanation Fuse wires have a low melting point so that if a huge amount of current is passed through it to any appliance...
by Sunday | Nov 1 | Physics JAMB
A. 330.0m B. 335.4m C. 660.0m D. 670.8m Correct Answer: Option B – 335.4m Explanation Recall V = F × λ = 260 × 1.29 = 335.4ms−¹ Echo time = 2/2 = 1 sec Distance = v x t = 335.4 x 1 =...
by Sunday | Nov 1 | Physics JAMB
A. 50km B. 25km C. 15km D. 10km Correct Answer: Option B – 25km
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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