Physics · Ray Optics
You are given four monochromatic light sources: red, blue, green, and yellow. Suppose the angle of refraction for the yellow light beam at the interface of two media is 90° for a specific angle of incidence. Which of the following statements is correct if the yellow light source is replaced by the other lights without changing the angle of incidence?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The beam of green light would bend away from the normal and emerge into the second medium.
- 2The beam of blue light would undergo total internal reflection.✓
- 3The beam of red light would bend sharply towards the normal in the second medium.
- 4The beam of red light would undergo total internal reflection.
Correct answer
The beam of blue light would undergo total internal reflection.
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