The electricity meters in houses measure energy unit consumed in?
A. kilowatt-hour B. volt C. ampere D. coulomb Correct Answer: Option A A. kilowatt-hourAn astronomical telescope has objectives and eye-piece lenses of focal length 3.5m and 5cm respectively. Determine the magnifying power of the telescope when in normal adjustment?
A. 70.0 B. 17.5 C. 7.0 D. 0.7 Correct Answer: Option A A. 70.0 Explanation Magnify power = fo/fe = 3.5×1005.0 = 70The pair of musical instruments that works on the vibration of air in pipes is?
A. piano and the organ B. guitar and the flute C. trumpet and the violin D. flute and the trumpet Correct Answer: Option D D. flute and the trumpetThe diagram given illustrates the waveform of a note produced by vibrations in an air column of length L. If the speed of sound in air is V, derive an expression for the frequency of the notes
A. V/L B. 5V/L2 C. 5L/4V D. 5V/4L Correct Answer: Option D Explanation L = 5λ/4 λ=4L/5 But λ=fλ f = vλ=v/4L/5 = 5v/4LComplementary colours are those which?
A. have the same refractive index B. have the same wavelength C. add-up to produce black light D. add-up to produce white light Correct Answer: Option D D. add-up to produce white lightProducts
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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Co-Ownership Structures and Land Acquisition Methods in Nigeria
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Rights in Community Land and Fundamental Land Concepts in Nigeria
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Customary Land Control and the Origins of Nigeria's Land Use Act
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Land Ownership Principles and Transaction Laws in Nigeria
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