A simple pendulum has a period of 1.20 s when its length is 40 cm. For small oscillations in the same gravitational field, find its period when the length is increased to 90 cm.
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UNIBEN Engineering and Physical Sciences Post UTME General Paper Past Questions
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If the polarizing angle for a given optical material is 49\(^{\circ}\), calculate the refractive index of the material
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The energy carried by an electromagnetic radiation depends on
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Which of the following statements is correct about latent heat? It
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Which of the following sources of energy is non-renewable?
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A body of density 0.80kgm\(^{-3}\) weighs 120N in air. It is suspended with a string with \(\frac{1}{2}\) of its volume immersed in a liquid of density 0.6kgm\(^3\), find the tension in the string (g = 10ms\(^{-2}\))
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Two quantities that can be determined from a velocity-time graph are
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The dimension of Young's modulus is written as MxLy Tz. Determine the values of x, y and z, respectively
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\(^{14}_7N + X \rightarrow ^{17}_8O + ^1H\)In the above reaction, x is a
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How many grams of bromine will be required to completely react with 10g of propyne?[C = 12, H = 1, Br = 80]
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Copper (II) tetraoxosulphate (VI) is widely used as a
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Convert 241 in base 5 to base 8
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The fraction of crude oil used as jet fuel is
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Which of the following metals will liberate hydrogen from steam?
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Which of the following is formed when maltose reacts with concentrated tetraoxosulphate (VI) acid?
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When a pure semiconductor is heated, its resistance
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Zener diode is used for
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The D.C. generator has essentially the same components as the A.C. generator except the presence of
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Which of the following obeys Ohm's law?
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Water for town supply is chlorinated to make it free from
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