B. Identify the word/ words described in each item. Write your answer before the number.
__________16. It is a thicker at the middle than at the edges.
__________17. Light travels at different speeds through different materials.
_________18. It is the scattering of light.
________19. Light is made up of little packets called
_______ 20. It produces an incredibly powerful, concentrated form a light.
__________16. It is a thicker at the middle than at the edges.
__________17. Light travels at different speeds through different materials.
_________18. It is the scattering of light.
________19. Light is made up of little packets called
_______ 20. It produces an incredibly powerful, concentrated form a light.
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Answer:
16.A convex lens
17. Light waves
18.Tyndall effect
19.photons
20.laser
Explanation:
That's all i know, hope it helps :]