Lenses And Optical Instruments

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How to play Crossword Puzzle?
  • Click on an across or down clue.
  • Type in the answer on puzzle.
  • Background turns green on correct answer.
  • Continue until the puzzle is solved.
  • Clicking "hint" reveals a letter without awarding points.
  • Clicking "word" reveals entire word without awarding points.
  • Fill more answers in less time for higher score.
fill in the words in the puzzule cross word correspondind to the number and direction
Related Hints
  1. a person who can see objects that are nearer
  2. a person who can clerly see further object
  3. diverging lens
  4. converging lens
  5. can see both further and nearer object


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