Heat loss through conduction is minimised by the presence of vacuum in the flask where conduction cannot take place.
Heat loss through radiation is minimised by the layer of the silver coating on the inside of the flask.
lendiritu answered the question on November 21, 2017 at 05:37
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When a brush is in water,the bristles spread but when it is taken out of water, the bristles cling together. Explain
(Solved)
When a brush is in water,the bristles spread but when it is taken out of water, the bristles cling together. Explain.
Date posted:
November 21, 2017
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Answers (1)
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State three properties of solids whose density can be measured using the density bottle
(Solved)
State three properties of solids whose density can be measured using the density bottle.
Date posted:
November 21, 2017
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Answers (1)
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Explain how temperature affects surface tension.
(Solved)
Explain how temperature affects surface tension.
Date posted:
November 21, 2017
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Answers (1)
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State the limitations of a pinhole camera
(Solved)
State the limitations of a pinhole camera.
Date posted:
November 21, 2017
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Answers (1)
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State the characteristics of Fermi-Dirac Statistics
(Solved)
State the characteristics of Fermi-Dirac Statistics
Date posted:
November 20, 2017
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Answers (1)
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Give the two basic Assumptions of The Debye Theory of specific Heat.
(Solved)
Give the two basic Assumptions of The Debye Theory of specific Heat.
Date posted:
November 20, 2017
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Answers (1)
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Give the three basic assumptions of Drude's theory of metals.
(Solved)
Give the three basic assumptions of Drude's theory of metals.
Date posted:
November 20, 2017
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Answers (1)
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Discuss the free electron theory.
(Solved)
Discuss the free electron theory.
Date posted:
November 20, 2017
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Answers (1)
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Give the characteristics of Bose-Einstein Statistics
(Solved)
Give the characteristics of Bose-Einstein Statistics
Date posted:
November 20, 2017
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Answers (1)
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State the advantages and disadvantages of anomalous expansion of water?
(Solved)
State the advantages and disadvantages of anomalous expansion of water?
Date posted:
November 20, 2017
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Answers (1)
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State why the boiling point of steam is used instead of water?
(Solved)
State why the boiling point of steam is used instead of water?
Date posted:
November 20, 2017
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Answers (1)
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Define the following properties of fluids (i) Density (ii) Specific weight (iii) Relative density (iv) Kinematic viscosity
(Solved)
Define the following properties of fluids
(i) Density
(ii) Specific weight
(iii) Relative density
(iv) Kinematic viscosity
Date posted:
November 20, 2017
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Answers (1)
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Give the definition of (i) closed system (ii) open system (iii) isolated system
(Solved)
Give the definition of
(i) closed system
(ii) open system
(iii) isolated system
Date posted:
November 20, 2017
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Answers (1)
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What is fluid mechanics?
(Solved)
What is fluid mechanics?
Date posted:
November 20, 2017
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Answers (1)
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Give two reasons for calculating densities of substances.
(Solved)
This is under measurement
Date posted:
November 18, 2017
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Answers (1)
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State one limitation of using a micrometer screw gauge.
(Solved)
This is under Measurement.
Date posted:
November 18, 2017
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Answers (1)
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What state of equilibrium does a bird perching on a hanging line have?
(Solved)
The topic involved is equilibrium and center of gravity
Date posted:
November 18, 2017
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Answers (1)
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State the conditions for existence of stream function
(Solved)
State the conditions for existence of stream function
Date posted:
November 18, 2017
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Answers (1)
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What is continuum hypothesis?
(Solved)
What is continuum hypothesis?
Date posted:
November 18, 2017
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Answers (1)
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State and explain the classification of fluids
(Solved)
State and explain the classification of fluids
Date posted:
November 18, 2017
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Answers (1)