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Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Check
Across:
1.
Used by dentists to see enlarged image of teeth
3.
Used as a magnifying glass
6.
Can form erect image of the same size as the object
Down:
1.
Can form image of objects spread over a large area
2.
The image is erect and smaller in size than the object
4.
A transparent glass pyramid, bounded by four triangular surface that separates white light into a spectrum of colours
5.
Formed when two or more reflected rays actually meet on the screen
OK