by Sunday | Nov 12 | Physics JAMB
A. 16cm B. 6cm C. 8cm D. 12cm Correct Answer: Option B – 6cm Explanation For a real image 3 times the size of the object, it implies that the magnification 3 = v/u, 3 = 24/u, therefore 3u = 24, u = 8cm thus we have from the relation:m = (f)/(u)-f; that 3 =...
by Sunday | Nov 12 | Physics JAMB
A. 2.50m B. 0.03m C. 5.00m D. 0.25m Correct Answer: Option D – 0.25m Explanation The power of a lens is defined as the reciprocal of the focal length ,expressed in metre.Mathematically, the power of a lens in dioptres is given by:(100)/f(in cm). thus for lens of...
by Sunday | Nov 12 | Physics JAMB
A. intensity of light striking the object B. rays of light passing through the object C. nature of the object D. opacity of the object Correct Answer: Option B = rays of light passing through the object Explanation The sharpness of the boundary of the shadow of an...
by Sunday | Nov 12 | Physics JAMB
A. oscillation B. resonance C. swinging D. vibration Correct Answer: Option B – resonance Explanation Marching soldiers crossing a suspension bridge are usually advised to break their steps to avoid damaging the bridge owing to resonance. The steps of the...
by Sunday | Nov 12 | Physics JAMB
A. 2.56 x 106N B. 2.50 x 106N C. 2.80 x 103N D. 2.50 x 103N Correct Answer: Option D – 2.50 x 103N Explanation In terms of dimension: power , P, = ML2T3 Force F1 = MLT-2; Vel, V, LT-1 From the above, => P = F x V i.e, ML2T-3 = MLT-2 x LT-1 ML2T-3 => 80,000...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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