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The liquid expand uniformly, expansion is measurable ( large enough), thermal
conductivity
Githiari answered the question on September 18, 2017 at 09:11
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State the assumption made when calculating the size of a molecule in the thin oil film experiment
Date posted: September 18, 2017. Answers (1)
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Show that the force driving the liquid through the U – tube is proportional to the height, h
Date posted: September 18, 2017. Answers (1)
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Date posted: September 18, 2017. Answers (1)
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Date posted: September 18, 2017. Answers (1)
- A measuring cylinder contains 20cm3 of water. 10cm3 of salt is added and stirred. Explain why the volume is not 30cm^3.(Solved)
A measuring cylinder contains 20cm3 of water. 10cm3 of salt is added and stirred. Explain why the volume is not 30cm3.
Date posted: September 18, 2017. Answers (1)
- A pipe of radius 0.4cm is connected to another pipe of radius 0.6cm. If water flows in the wider pipeat a speed of 5ms-1. What...(Solved)
A pipe of radius 0.4cm is connected to another pipe of radius 0.6cm. If water flows in the wider pipe
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Date posted: September 18, 2017. Answers (1)
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Explain why a car feels lighter as it travels at a higher velocity.
Date posted: September 18, 2017. Answers (1)
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Water wets clean surfaces of glass but not waxed ones. Explain
Date posted: September 18, 2017. Answers (1)
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Name all the forces acting on the mass suspended from a spring balance
Date posted: September 18, 2017. Answers (1)
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State any three effects of force.
Date posted: September 18, 2017. Answers (1)
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Explain why aquatic animals are able to survive under water when the surface is already frozen.
Date posted: September 16, 2017. Answers (1)
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Define the following terms as applied to curved mirrors.
a) Principal axis.
b) Centre of curvature.
c) Principal focus.
Date posted: September 16, 2017. Answers (1)
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Differentiate between the images formed by a convex mirror and a pinhole camera
Date posted: September 16, 2017. Answers (1)
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State three properties of a liquid used in the thermometer
Date posted: September 16, 2017. Answers (1)
- Distinguish between cohesive and adhesive forces.(Solved)
Distinguish between cohesive and adhesive forces.
Date posted: September 16, 2017. Answers (1)
- A form two student in Afraha High school had two identical metal cans. Can A was painted dull black
while B was shinny. She fitted on...(Solved)
A form two student in Afraha High school had two identical metal cans. Can A was painted dull black
while B was shinny. She fitted on each of them a thermometer through the lids. She added equal
volumes of hot water at 70°c simultaneously. State and explain the observation made after 20
minutes.
Date posted: September 16, 2017. Answers (1)
- When mercury in a glass thermometer is used to measure the temperature of hot water, it is observed
that the mercury level first drops before beginning...(Solved)
When mercury in a glass thermometer is used to measure the temperature of hot water, it is observed
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Date posted: September 16, 2017. Answers (1)
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A metal ball is cooled, state how the density of the ball will be affected
Date posted: September 16, 2017. Answers (1)
- A pipe of diameter 8.4cm is connected to another pipe of diameter 3.5cm. The speed of the water in
the bigger pipe is 1.8m/s. Find...(Solved)
A pipe of diameter 8.4cm is connected to another pipe of diameter 3.5cm. The speed of the water in
the bigger pipe is 1.8m/s. Find the speed of the water in the smaller pipe
Date posted: September 16, 2017. Answers (1)
- Explain how air enters the barrel of a Bunsen burner when the gas supply is opened.(Solved)
Explain how air enters the barrel of a Bunsen burner when the gas supply is opened.
Date posted: September 16, 2017. Answers (1)