Light
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.
1
2
3
4
Check
Across:
2.
centre of the sphere from which the mirror is made
3.
mirror used by dentists
4.
optical device with a polished surface that reflects light falling on it
Down:
1.
imaginary line pasing through the centre of curvature of the mirror
2.
mirror which diverges parallel beam of light passing through it
OK