Physics

7th

grade

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Čočky

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10 questions

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  • 1. Fill in the Blank
    10 seconds
    1 pt
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    Čočka, která paprsky spojuje je:

  • 2. Fill in the Blank
    10 seconds
    1 pt
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    Co značí u čoček písmeno F´?

  • 3. Fill in the Blank
    10 seconds
    1 pt
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    Které čočky vynalezl Otto Wichterle?

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