Light

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. Light travels along
2. The change of path of light after falling on some object is called .
3. A smooth, shiny or polished surface, which rebounds the light back in same or in different directions is called a .
4. An image which can be obtained on the screen is called .
5. If the reflecting surface of the spherical mirror is curved inwards, it is called .
6. A phenomenon in which an image is formed by a mirror and the left side of the object is seen as the right side in the image, and right side of the object appears to be left side in the image is called .
7. An image which cannot be obtained on the screen is called .
8. The image formed by a is erect.
9. If the reflecting surface of the spherical mirror is curved outwards, it is called
10. Mirrors, whose reflecting surfaces are spherical or curved, are called .