crossword
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:
4.
sphere has a centre is called the centre of ...................
5.
light seems to travel in a ............., line
Down:
1.
The centre of the reflecting surface of a spherical mirror is a point called the.................
2.
The centre of curvature of a concave mirror lies in ............. of it
3.
The radius of the sphere of which the reflecting surface of a spherical mirror forms a part, is called the .............of curvature of the mirror
OK