Summary: Physics & Chemistry Now! | 9789006312034
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Read the summary and the most important questions on Physics & chemistry now! | 9789006312034 | [transl. from the Dutch].
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1 Reflection and Refraction
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1.4 Two angles
This is a preview. There are 5 more flashcards available for chapter 1.4
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what is the wavelength of light?
about 1/2000 of a millimetre
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the distance of a light-year is?
1 light-year = 9460730472580800 metres (exactly)
- ≈ 5.878625 trillion miles
- ≈ 63241.077 astronomical units
- ≈ 0.306601 parsecs
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how does an eclipse of the sun occur?
this happens when the Moon comes between the Sun and the Earth, at that time only the outer edge of the sun can be seen.
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2 Motion
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2.2 Measuring speed
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How do you calculate the average speed?
Vaverage=S/T
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what is the difference between speed and velocity?
velocity is speed in a particular direction
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how can you convert km/h to m/s?
km/h : 3,6
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3 Electrical circuits
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3.3 On and off!
This is a preview. There are 1 more flashcards available for chapter 3.3
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An electrical appliance is always connected in..?
An electrical circuit. -
Bimetal strip swith reacts to..?
the changes in temperature. -
A desk lamp is a..?
On-off switch -
An electric drill is a..?
On-off switch
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