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What happens to the light ray when it hits the boundary at the critical angle?
Practice Questions
Q1
What happens to the light ray when it hits the boundary at the critical angle?
It is refracted into the second medium.
It is reflected back into the first medium.
It travels along the boundary.
It is absorbed.
Questions & Step-by-Step Solutions
What happens to the light ray when it hits the boundary at the critical angle?
Steps
Concepts
Step 1: Understand that light travels through different materials, like air and water.
Step 2: Know that when light hits the boundary between two materials, it can either reflect or refract.
Step 3: The critical angle is a special angle where the light ray is at the edge of being refracted or reflected.
Step 4: When the light ray hits the boundary at the critical angle, it is refracted at exactly 90 degrees.
Step 5: This means the light ray travels along the boundary, not going into the second material or reflecting back.
No concepts available.
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