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Questions and Answers
What is the change in direction of waves when they bounce off a smooth barrier?
What is the change in direction of waves when they bounce off a smooth barrier?
- Reflection (correct)
- Diffraction
- Absorption
- Refraction
What is the refractive index of air?
What is the refractive index of air?
- 1.00 (correct)
- 1.33
- 2.00
- 1.50
What must be present for refraction to occur?
What must be present for refraction to occur?
- Difference in the refractive indices of the two media (correct)
- Similarity in the refractive indices of the two media
- Difference in the speed of light in the two media
- Similarity in the speed of light in the two media
What increases the degree of refraction?
What increases the degree of refraction?
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What is accompanied by a change in speed and wavelength of light waves?
What is accompanied by a change in speed and wavelength of light waves?
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