by Sunday | Nov 9 | Physics JAMB
A. nature of surface B. density C. surface area D. temperature Correct Answer: Option B – density Explanation Radiation depends on the nature of the surface area and temperature. It is independent of density.
by Sunday | Nov 9 | Physics JAMB
A. 2.49 x 104 Nm-2 B. 2.24 x 104 Nm-2 C. 2.49 x 105 Nm-1 D. 2.24 x 105 Nm-1 Correct Answer: Option C = 2.49 x 105 Nm-1 Explanation T = 27 + 273 = 300K, volume, V = 10-2 m3 molar gass constant, R = 8.3 J mol‾¹k‾¹ number of mole, n = 1 PV = nRT i.e P = (nRT)/V = (1 x...
by Sunday | Nov 9 | Physics JAMB
A. a dynamic equilibrium exists between liquid molecules and the vapour molecules B. a dynamic equilibrium exists such that more molecules return to the liquid than are living it C. the temperature of the vapour varies D. the vapour pressure is atmospheric Correct...
by Sunday | Nov 9 | Physics JAMB
A. hail B. dew C. fog D. mist Correct Answer: Option B – dew Explanation Dew point is the temperature at which the water vapour present in the air is just sufficient to saturate it. Dew is formed when air is cooled below its dew...
by Sunday | Nov 9 | Physics JAMB
A. the level of water goes up B. the water in the glass outflows C. the level of water remains unchanged D. the level of water drops Correct Answer: Option D – the level of water drops Explanation Due to anomalous expansion of water at temperature range (0...