Stack the optics terms

Exercise and reference answers

Questions

1. Answer

   Reflection

   Question

   Light bounces off matter.

   Choices

   1. Reflection
   2. Refraction

2. Answer

   Refraction

   Question

   Light passes through matter.

   Choices

   1. Refraction
   2. Reflection

3. Answer

   Converging

   Question

   Parallel rays meet at a point.

   Choices

   1. Converging
   2. Diverging

4. Answer

   Diverging

   Question

   Rays spread from the axis.

   Choices

   1. Diverging
   2. Converging

5. Answer

   Real image

   Question

   An image you can project.

   Choices

   1. Real image
   2. Virtual image

6. Answer

   Critical angle

   Question

   Beyond it, no light escapes.

   Choices

   1. Critical angle
   2. Focal length

7. Answer

   Total internal

   Question

   All light bounced back inside.

   Choices

   1. Total internal
   2. Partial escape

Instructions

Tap the right answer to add a block. Too many mistakes and the tower falls.

Explanation