This is the energy required by an electron to enable it escape from the surface of a clean metal.
chrispohmomanyi answered the question on September 27, 2017 at 12:15
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Define the term velocity and acceleration.
(Solved)
Define the term velocity and acceleration.
Date posted:
September 27, 2017
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Answers (1)
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Explain why water would boil faster at the mountain top than at the sea level.
(Solved)
Explain why water would boil faster at the mountain top than at the sea level.
Date posted:
September 27, 2017
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Answers (1)
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Explain why mercury does not wet the glass.
(Solved)
Explain why mercury does not wet the glass.
Date posted:
September 27, 2017
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Answers (1)
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Metals cannot be charged by friction. Explain.
(Solved)
Metals cannot be charged by friction. Explain.
Date posted:
September 27, 2017
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Answers (1)
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State three effects produced by an electric current.
(Solved)
State three effects produced by an electric current.
Date posted:
September 27, 2017
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Answers (1)
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Explain why is it easier to open a metallic cap of a glass bottle by inserting it hot water.
(Solved)
Explain why is it easier to open a metallic cap of a glass bottle by inserting it hot water.
Date posted:
September 27, 2017
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Answers (1)
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Define radioisotopes
(Solved)
Define radioisotopes
Date posted:
September 27, 2017
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Answers (1)
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Explain how can a concave mirror be used as a shaving mirror
(Solved)
Explain how can a concave mirror be used as a shaving mirror
Date posted:
September 27, 2017
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Answers (1)
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State the principle of conservation of momentum
(Solved)
State the principle of conservation of momentum
Date posted:
September 27, 2017
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Answers (1)
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State ways of reducing friction between two surfaces
(Solved)
State ways of reducing friction between two surfaces
Date posted:
September 27, 2017
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Answers (1)
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Explain why on a hot day, a dry road may seem to have pools of water when observed from a distance.
(Solved)
Explain why on a hot day, a dry road may seem to have pools of water when observed from a distance.
Date posted:
September 27, 2017
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Answers (1)
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State any three factors on which the resistance of the conductor depends
(Solved)
State any three factors on which the resistance of the conductor depends
Date posted:
September 27, 2017
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Answers (1)
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Explain why one feels colder when walking on a concrete floor than on the carpeted floor.
(Solved)
Explain why one feels colder when walking on a concrete floor than on the carpeted floor.
Date posted:
September 27, 2017
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Answers (1)
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State Faraday’s law of electromagnetic induction.
(Solved)
State Faraday’s law of electromagnetic induction.
Date posted:
September 27, 2017
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Answers (1)
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Explain why the sky appears blue.
(Solved)
Explain why the sky appears blue.
Date posted:
September 27, 2017
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Answers (1)
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Describe how the type of charge on a charged metal rod can be determined.
(Solved)
Describe how the type of charge on a charged metal rod can be determined.
Date posted:
September 27, 2017
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Answers (1)
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Define capacitance
(Solved)
Define capacitance
Date posted:
September 27, 2017
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Answers (1)
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State two conditions that must be met for a conductor to obey Ohm’s law.
(Solved)
State two conditions that must be met for a conductor to obey Ohm’s law.
Date posted:
September 27, 2017
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Answers (1)
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Define an Ohm.
(Solved)
Define an Ohm.
Date posted:
September 27, 2017
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Answers (1)
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Explain why an alkaline battery delivers a larger current than a lead acid accumulator.
(Solved)
Explain why an alkaline battery delivers a larger current than a lead acid accumulator.
Date posted:
September 27, 2017
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Answers (1)