KAPEC GEOTASK?
  • The learning process is entertaining and exciting
  • The solved tasks turn into coordinates
  • The chance to follow your progress
  • Along with your schoolmates and friends, go on an adventure, searching for hideouts
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58.3. Lens characteristics and usage.

Write the correct answer!

Collector lens focuss distance F = 17 cm. Calculate optical strength!
Decrease results to hundredth.
diopotre
Grade:
8
Subject
Physics
Theme
Light and colours
Subtheme
Lens characteristics and usage.

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