Optics
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.
The ability of the eye lens to change its focal length
3.
He explained dispersion of light
4.
The apparent inverted images formed due to the hot surface in deserts
5.
A rainbow is shaped similar to this
Down:
2.
Scattering of light by particles in its path
OK