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0
votes
The figure below shows a ray of light incident on a plane mirror. What is the angle of reflection?
answered
Aug 23, 2021
in
Physics Form 1
rectilinear propagation of light and reflection at planes
0
votes
The figure below shows a ray of light incident on a plane mirror. What is the angle of reflection?
answered
Aug 23, 2021
in
Physics Form 1
rectilinear propagation of light and reflection at planes
0
votes
Give two differences between a primary and a secondary cell
answered
Aug 23, 2021
in
Physics Form 1
cells and simple circuits
primary and secondary cells
0
votes
A charge of 4.8C flows through a lamp every second. Calculate the number of electrons involved per second.
answered
Aug 23, 2021
in
Physics Form 1
simple cells and circuits
electric current and its units
0
votes
Define local action
answered
Aug 23, 2021
in
Physics Form 1
cells and simple circuits
local action
0
votes
State the laws of refraction
answered
Aug 23, 2021
in
Physics Form 3
refraction of light
laws of refraction
0
votes
The table below shows the values of extensions of a spiral spring when various forces are applied to it.
answered
Aug 23, 2021
in
Physics Form 2
hooke's law
force
0
votes
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.
answered
Aug 23, 2021
in
Physics Form 1
particulate nature of matter
diffusion
0
votes
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.
answered
Aug 23, 2021
in
Physics Form 1
particulate nature of matter
states of matter
0
votes
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.
answered
Aug 23, 2021
in
Physics Form 1
particulate nature of matter
brownian motion
0
votes
What is diffusion?
answered
Aug 23, 2021
in
Physics Form 1
particulate nature of matter
diffusion
0
votes
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.
answered
Aug 23, 2021
in
Physics Form 2
measurements
molecule of oil
volume
0
votes
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.
answered
Aug 23, 2021
in
Physics Form 2
hooke's law
spring constant
0
votes
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.
answered
Aug 23, 2021
in
Physics Form 2
hooke's law
elastic potential energy
0
votes
State Pascal's Principle of transmission of pressure in liquids.
answered
Aug 23, 2021
in
Physics Form 1
pressure
pascals principle
0
votes
Mercury on a clean glass slide collects into small spherical balls as shown in figure below. Explain why
answered
Aug 23, 2021
in
Chemistry Form 1
force
types of forces
0
votes
Give one difference between limiting and dynamic forces of friction
answered
Aug 23, 2021
in
Physics Form 3
newton's law of motion
frictional forces
0
votes
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
answered
Aug 23, 2021
in
Physics Form 3
newton's law of motion
frictional forces
0
votes
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)
answered
Aug 23, 2021
in
Physics Form 1
measurements
density of substances
0
votes
The table below shows the values of extensions of a spiral spring when various forces are applied to it.
answered
Aug 23, 2021
in
Physics Form 2
hooke's law
force
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