Shiny surfaces are poor absorbers and poor emmiters of heat. This prevents any heat loss from the hot liquid.
chrispohmomanyi answered the question on September 25, 2017 at 05:51
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Explain why flames go up.
(Solved)
Explain why flames go up.
Date posted:
September 25, 2017
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Differentiate between a beam and ray of light.
(Solved)
Differentiate between a beam and ray of light.
Date posted:
September 25, 2017
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Answers (1)
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What is a ray of light?
(Solved)
What is a ray of light?
Date posted:
September 25, 2017
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Answers (1)
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State factors which determine the type of shadow formed.
(Solved)
State factors which determine the type of shadow formed.
Date posted:
September 25, 2017
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Answers (1)
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Define the term eclipse as used in physics.
(Solved)
Define the term eclipse as used in physics.
Date posted:
September 25, 2017
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How is local action corrected in a simple cell?
(Solved)
How is local action corrected in a simple cell?
Date posted:
September 25, 2017
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Answers (1)
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Define focal length
(Solved)
Define focal length
Date posted:
September 24, 2017
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Answers (1)
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State the difference between Principal axis and Principal focus
(Solved)
State the difference between Principal axis and Principal focus
Date posted:
September 24, 2017
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Answers (1)
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State the properties of lens
(Solved)
State the properties of lens
Date posted:
September 24, 2017
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Answers (1)
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Give two types of lenses
(Solved)
Give two types of lenses
Date posted:
September 24, 2017
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Answers (1)
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Give three uses of lens
(Solved)
Give three uses of lens
Date posted:
September 24, 2017
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Answers (1)
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Define a lens
(Solved)
Define a lens
Date posted:
September 24, 2017
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Answers (1)
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Define matter
(Solved)
Define matter
Date posted:
September 24, 2017
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Answers (1)
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State three properties of liquids used in the brake fluid.
(Solved)
State the properties of a hydraulic brake fluid.
Date posted:
September 24, 2017
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Answers (1)
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How is the pressure in liquids affected by the height?
(Solved)
How is the pressure in liquids affected by the height?
Date posted:
September 24, 2017
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Answers (1)
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A force of 100 N is applied to an area of 100 square millimeters. What is the pressure exerted on the area?
(Solved)
A force of 100 N is applied to an area of 100 square millimeters. What is the pressure exerted on the area?
Date posted:
September 24, 2017
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Answers (1)
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Trucks which carry heavy loads have many wheels. Explain?
(Solved)
Trucks which carry heavy loads have many wheels. Explain?
Date posted:
September 24, 2017
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Answers (1)
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How is the pressure related to force when the area is kept constant?
(Solved)
How is the pressure related to force when the area is kept constant?
Date posted:
September 24, 2017
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Answers (1)
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Why is it easier to push a sharp pin through a cardboard than it is to push a blunt one through the same material using...
(Solved)
Why is it easier to push a sharp pin through a cardboard than it is to push a blunt one through the same material using the force.
Date posted:
September 24, 2017
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Answers (1)
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State any two properties of magnets.
(Solved)
State any two properties of magnets.
Date posted:
September 24, 2017
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Answers (1)