Questions by anony mous

0 votes

1 answer

Give two differences between a primary and a secondary cell

asked Aug 23, 2021 in Physics Form 1

0 votes

1 answer

A charge of 4.8C flows through a lamp every second. Calculate the number of electrons involved per second.

asked Aug 23, 2021 in Physics Form 1

0 votes

1 answer

Define local action

asked Aug 23, 2021 in Physics Form 1

0 votes

2 answers

State the laws of refraction

asked Aug 23, 2021 in Physics Form 3

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1 answer

In the figure below, ammonia gas and an acid gas diffuse and react to form a white deposit on the walls of a long glass tube as shown.

asked Aug 23, 2021 in Physics Form 1

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1 answer

A beaker is filled completely with water. A spoon full of common salt is added slowly. The salt dissolves and the water does not overflow.

asked Aug 23, 2021 in Physics Form 1

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1 answer

A smoke cell contains a mixture of trapped air and smoke. The cell is brightly lit and viewed through a microscope. State and explain what is observed.

asked Aug 23, 2021 in Physics Form 1

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2 answers

What is diffusion?

asked Aug 23, 2021 in Physics Form 1

0 votes

1 answer

A burette is filled with oleic acid drop upto the 15.5cm3 ark. After 50 drops of the oil were let out of the burette the level of the oil dropped to 22.5cm3.

asked Aug 23, 2021 in Physics Form 2

0 votes

1 answer

A student hangs a spring vertically from a hook, as shown in Figure below. F3 End Term 1 Physics Q13b With no load, the spring is 12.0 cm long. With a load of 2.0 N on the end of the spring, its length is 15.0 cm. Calculate the extension of the spring.

asked Aug 23, 2021 in Physics Form 2

0 votes

1 answer

A helical spring extends by 1 cm when a force of 1.5N is applied to it. Find the elastic potential energy stored in it.

asked Aug 23, 2021 in Physics Form 2

0 votes

1 answer

State Pascal's Principle of transmission of pressure in liquids.

asked Aug 23, 2021 in Physics Form 1

0 votes

1 answer

Mercury on a clean glass slide collects into small spherical balls as shown in figure below. Explain why

asked Aug 23, 2021 in Chemistry Form 1

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1 answer

Give one difference between limiting and dynamic forces of friction

asked Aug 23, 2021 in Physics Form 3

0 votes

1 answer

Explain why it is easier to ride a bicycle round a bend on a road if the surface is dry than when it is wet

asked Aug 23, 2021 in Physics Form 3

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1 answer

The mass of density bottle is 20.0g when empty. 70g when full of water and 55g when full of a second liquid. Calculate the density of the liquid (take density of water to be 1000kgm−3)

asked Aug 23, 2021 in Physics Form 1

0 votes

2 answers

The table below shows the values of extensions of a spiral spring when various forces are applied to it.

asked Aug 23, 2021 in Physics Form 2

0 votes

1 answer

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

0 votes

1 answer

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

asked Aug 23, 2021 in Physics Form 1

0 votes

1 answer

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

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