by Sunday | Nov 8 | Physics JAMB
A. water has a high specific heat B. steam has a latent heat of fusion C. the steam is at a higher temperature than the water D. steam brings heat more easily by convection Correct Answer: Option C – the steam is at a higher temperature than the...
by Sunday | Nov 8 | Physics JAMB
A. dissolved substances on the boiling point B. atmospheric pressure on the boiling point C. food nutrients on the thermal energy D. salts on the thermal conductivity of water Correct Answer: Option A – dissolved substances on the boiling point Explanation Water...
by Sunday | Nov 8 | Physics JAMB
A. 2:1 B. 1:2 C. 4:1 D. 1:4 Correct Answer: Option B = 1:2 Explanation MCxθ = MCyθ xθ = 2xyθ MC(2yθ) = MCyθ ⇒ 2C = C =1 : 2
by Sunday | Nov 8 | Physics JAMB
A. 7.0 x 106J B. 6.0 x 106J C. 6.0 x 105J D. 6.0 x 104J Correct Answer: Option D – 6.0 x 104J Explanation W = W1×V1/V2 W = (10×0.6)/1.2 W = 6.0 x 104J
by Sunday | Nov 8 | Physics JAMB
A. 100.08m B. 100.04m C. 99.96m D. 99.92m Correct Answer: Option D – 99.92m Explanation L2=L1+α(θ2−θ1) = 100 + 0.00002(-10-30) = 99.92