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A man standing at the middle of two parallel walls fires a gun. He hears an echo after 1.5 seconds. Determine the distance of separation of the walls.

answered Aug 18, 2021 in Physics Form 1

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Polarization and local action are the common defects in a simple cell. How are these defects minimized in the cell?

answered Aug 18, 2021 in Physics Form 1

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State with a reason which type of reflector would be preferred for:

answered Aug 18, 2021 in Physics Form 2

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What is the ‘direction of the magnetic field’ at a point in the field?

answered Aug 18, 2021 in Physics Form 2

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A girl stands 2m in front of a plane mirror, the mirror is then moved 0.6m away from the girl. Determine the distance from the first position of the image to the second position of the image.

answered Aug 18, 2021 in Physics Form 1

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The following is a decay series of Uranium 238.

answered Aug 18, 2021 in Physics Form 4

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Using the band theory, differentiate between conductor and a semi-conductor .

answered Aug 18, 2021 in Physics Form 4

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Diagram (a) below shows the position of the bright spot on the screen of a C.R.O when there is no signal on both Y and X- plate. Indicate on the diagram(b) when the Y-plate is connected to a.c signal and for (c) the X- plate is connected to a d.c signal i.e. the display on the screen.

answered Aug 18, 2021 in Physics Form 2

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The figure below shows a circuit diagram for a photocell.

answered Aug 18, 2021 in Physics Form 4

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The diagram below shows an electrical appliance connected to the mains.

answered Aug 18, 2021 in Physics Form 4

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Differentiate between nuclear fission and nuclear fusion as used in the study of physics.

answered Aug 18, 2021 in Physics Form 4

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A stone of mass 4.0kg immersed in water and suspended from a spring balance with a string. The beaker was placed on a compression balance whose reading was 85N. The density of the stone was 3000kg/m-3while the density of the liquid was 800kg/m-3. Determine the;

answered Aug 18, 2021 in Physics Form 4

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The diagram below shows a pulley system, a mass of 10kg is raised 2m by an effort of 80N.

answered Aug 18, 2021 in Physics Form 1

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State the law of conservation of energy.

answered Aug 18, 2021 in Physics Form 3

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A car tyre is at pressure of 5.0x105 Pa at a temperature of 37℃. While it is running the temperature rises to 75℃. What is the new tyre pressure?(Assume the tyre does not expand)

answered Aug 18, 2021 in Physics Form 3

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The figure below shows a set up used to verify pressure law.

answered Aug 18, 2021 in Physics Form 3

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Explain how a gas exerts pressure.

answered Aug 18, 2021 in Physics Form 3

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State the pressure law;

answered Aug 18, 2021 in Physics Form 3

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The figure below shows a force distance graph for a car being towed on a level ground.

answered Aug 18, 2021 in Physics Form 3

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A ball is dropped from the top of a vertical cliff 45m high. Given that the velocity just before striking the sandy beach is 30m/s, and the ball penetrate the sand to a depth of 10cm determine its average retardation.

answered Aug 18, 2021 in Physics Form 3

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