Recent questions in Physics

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A hippo of mass 500kg is able to walk on a muddy river bank while a car of mass 220kg is not able. Explain

asked Aug 23, 2021 in Physics Form 1 by anony mous

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1 answer

Explain in terms of the arrangement of particles the kinetic theory of matter.

asked Aug 23, 2021 in Physics Form 1 by anony mous

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Xcm3 of substance A which has density of 800kg/m3 is mixed with 100cm3 of water with a density of 1000kg/m3. The density of the mixture is 960kg/m3. Determine the value of X

asked Aug 20, 2021 in Physics Form 1 by anony mous

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1 answer

Explain why a hole in a ship near the bottom is more dangerous than one nearer the surface

asked Aug 20, 2021 in Physics Form 1 by anony mous

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A motorcycle accelerates from 8m/s to 20m/s in 10seconds. What distance does it cover in this time

asked Aug 20, 2021 in Physics Form 3 by anony mous

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A person of mass 60kg stands on a spring weighing machine inside a lift. The lift is accelerated upwards at 3m/s2, calculate the reading of the weighing machine

asked Aug 20, 2021 in Physics Form 1 by anony mous

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1 answer

A uniform half-metre rule pivoted at the 10cm mark, balances when a mass of 150g is suspended at the 0cm mark as shown below. Determine the mass of the half-metre role.

asked Aug 20, 2021 in Physics Form 2 by anony mous

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1 answer

The figure below shows a light body floating in a container F3 End Term 1 physics Q3 State and explain the observation when a stream of air is blown over the month of the container as shown

asked Aug 20, 2021 in Physics Form 1 by anony mous

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1 answer

A block measuring 20cm x 10cm x 5cm rests on a flat surface. The block has a weight of 3N. Determine the maximum pressure it exerts on the surface

asked Aug 20, 2021 in Physics Form 1 by anony mous

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1 answer

The figure below shows a diagram of part of a vernier caliper that has zero error of −0.02cm. Determine the length of the object using vernier caliper

asked Aug 20, 2021 in Physics Form 2 by anony mous

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How does a bimetallic thermostat work?

asked Aug 18, 2021 in Physics Form 1 by amosmulinya

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1 answer

In a certain x-ray tube, the electrons are accelerated by a pd of 12000V. Assuming all the energy goes to produce x-rays, determine the frequency of the x-rays produced. (Planks constant h = 6.62 ×10-34 J and charge of an electron, e = 1.6 ×10-19 C)

asked Aug 18, 2021 in Physics Form 4 by anonymous

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1 answer

What property of lead makes it suitable for use as shielding material?

asked Aug 18, 2021 in Physics Form 4 by anonymous

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1 answer

Figure 4 shows the features of an x-rays tube.

asked Aug 18, 2021 in Physics Form 4 by anonymous

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2 answers

X-rays are used for detecting cracks inside metal beams.

asked Aug 18, 2021 in Physics Form 4 by anonymous

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1 answer

The function of the capacitor is to eliminate sparking at the contacts. State why sparking occurs at the contacts.

asked Aug 18, 2021 in Physics Form 4 by anonymous

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1 answer

The figure below shows an induction coil used to step-up voltage.

asked Aug 18, 2021 in Physics Form 4 by anonymous

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1 answer

The figure below shows a section a flexible wire carrying current perpendicularly out of the paper.

asked Aug 18, 2021 in Physics Form 2 by anonymous

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1 answer

Study the circuit below:

asked Aug 18, 2021 in Physics by anonymous

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1 answer

Arrange the following electromagnetic waves in order of their increasing wavelength. X-rays, gamma rays, ultra violet, visible light, infrared and microwaves.

asked Aug 18, 2021 in Physics Form 4 by anonymous

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