Recent questions in Physics Form 1

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An object O is placed in front of a concave mirror and on the principal axis, as shown in the figure below. Complete the light ray diagram to locate the position of the image.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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1 answer

A small chain is often seen hanging at the back of a petrol carrying lorry. State and explain its significance.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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The figure below shows a ray of light incident on the surface of one plane mirror.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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State two conditions under which a pinhole camera may form an image on its screen which has the same size as the object.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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A body of mass 5 kg is ejected vertically to a height of 7.2 m from the ground when a force acts on it for 0.1s. Calculate the force used to eject the body.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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Figure below shows a uniform plank of weight 20N and length 1.0m balanced by a 0.5kg mass at a distance x from the pivot point O.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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The diagram below shows a car acid hydrometer.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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You are provided with the following:- A block of wood A spring balance Thin thread Overflow can A small measuring cylinder Some liquid With the aid of a labeled diagram an experiment to the law of floatation

asked Jul 7, 2021 in Physics Form 1 by anonymous

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1 answer

The figure below shows a hydraulic press supporting a load F.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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Liquids expand when heated and contract when cooled. However this is not always true for water.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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1 answer

Explain the following as regards the solar heater:

asked Jul 7, 2021 in Physics Form 1 by anonymous

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Under a driving force of 3000 N, a car of mass 1200 kg has an acceleration of 1.3 m/s2. Find the frictional resistance acting in the car.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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State the three factors on which the rate of heat flow depends on.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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An air bubble with a volume of 1 cm3 escapes from the helmet of a diver at a depth of 200 m below the water surface. What will be the volume of the bubble immediately it breaks the surface of water? (Take atmospheric pressure = 10 m of water)

asked Jul 7, 2021 in Physics Form 1 by anonymous

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Give a reason why heat transfer by radiation is faster than heat transfer by conduction

asked Jul 7, 2021 in Physics Form 1 by anonymous

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1 answer

State the SI unit of density

asked Jul 7, 2021 in Physics Form 1 by anonymous

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Calculate the temperature change of water as it falls through a height of 20 m. (Take g = 10 N/kg and s.h.c of water =4200 J/kg/K)

asked Jul 7, 2021 in Physics Form 1 by anonymous

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1 answer

The level of water in a burette is at 30 cm3. 400 drops of water each of volume 0.015 cm3 was removed from the burette.

asked Jul 7, 2021 in Physics Form 1 by anonymous

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1 answer

A piece of red-hot charcoal is brought close to the cap of a negatively charged electroscope, Explain what is observed

asked Jun 26, 2021 in Physics Form 1 by Denke

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1 answer

A metallic box weighs 188N and measures 10cm by 30 cm by 8 cm. Determine the maximum pressure it can exert when lying on one of its surfaces.

asked Jun 21, 2021 in Physics Form 1 by anonymous

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