12.2. Проверь себя!
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Определение
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1. Найдите в предложениях все определения и скажите, чем они выражены. |
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a)
Inside
every atom, there’s a nucleus containing protons and
neutrons. b)
Visible
light is just one type of electromagnetic radiation. c)
The
energy of a photon depends on the frequency of the
radiation. d)
Uniform
acceleration is always a straight line. e)
Free-body
force diagrams bellow show a single body on its
own. |
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2. Переведите предложения, обращая внимание на определения. |
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a)
All
bodies falling freely under the force of gravity do so with uniform
acceleration. b)
The
ionisation energy of an atom is the amount of energy needed to completely
remove an electron from the atom from the ground
state. c)
Weight
is the force experienced by a mass due to a gravitational
field. d)
The
centre of mass of an object is the single point that you can consider its
whole weight to act through. e)
Each
line corresponds to a particular wavelength of light to be emitted by the
source. |