Recent questions without a selected answer

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Figure 4 shows circular water waves incident on a plane reflector placed at an angle to the path of the waves.

asked Jun 21, 2021 in Physics Form 3 by anonymous

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State the purpose of a fuse in an electrical circuit.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Study the setup in the Figure below and then answer the questions that follow.

asked Jun 21, 2021 in Chemistry Form 2 by anony mous

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Explain how x-rays are produced in the x-ray tube.

asked Jun 21, 2021 in Physics Form 4 by anonymous

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A broadcasting station produces radio waves of wavelength 800 m. Determine their frequency (speed of air is 3 x 108ms-1

asked Jun 21, 2021 in Physics Form 2 by anonymous

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Draw a diagram to show a p-n junction connected in the reverse bias mode.

asked Jun 21, 2021 in Physics Form 4 by anonymous

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Element A has mass number 40 and 21 neutrons

asked Jun 21, 2021 in Chemistry Form 2 by anony mous

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When iron filings are sprinkled onto a bar magnet, it is observed that there are more iron filings at the ends than in the middle. Explain this observation.

asked Jun 21, 2021 in Physics Form 2 by anonymous

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Figure 3 shows an annular ring.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Figures 2(a) and 2(b) show two circuit diagrams with identical lamps and identical cells

asked Jun 21, 2021 in Physics Form 1 by anonymous

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The critical angle for a ray travelling from glass to air is 42º. Determine the refractive index of the glass

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Explain what happens to the speed of a water wave as it moves from the shallow to the deep end in a ripple tank

asked Jun 21, 2021 in Physics Form 1 by anonymous

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State two measurements that should be taken for one to decide whether a lead acid accumulator is due for charging.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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The diagram below illustrates a set of biological processes in a green plant

asked Jun 21, 2021 in Biology Form 1 by anony mous

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Explain why an individual with blood group AB can only donate blood to an individual with the same blood group.

asked Jun 21, 2021 in Biology Form 2 by anony mous

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Figure 1 shows a gold leaf electroscope

asked Jun 21, 2021 in Physics Form 1 by anonymous

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State the observation made on the image in a pin hole camera when the distance between thie object and the pin hole is reduced.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Figure 15 shows a setup used to study Brownian motion in liquids.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Its observed that when a liquid is heated its volume increases. Explain this observation using the kinetic theory of matter

asked Jun 21, 2021 in Physics Form 1 by anonymous

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Complete the table below on the adaptations and functioning of some structures in a dicotyledonous stem.

asked Jun 21, 2021 in Biology Form 3 by anony mous

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