General Science • PhysicsEasy
Which of the following optical phenomena is responsible for the bright silvery appearance of an air bubble trapped inside water when viewed from a certain angle?
A. Refraction of light
B. Total internal reflection✓ Correct Answer
C. Diffraction of light
D. Interference of light
💡 Solution & Explanation
An air bubble submerged in water reflects light brilliantly due to total internal reflection, which occurs when light rays travelling from water to air strike the boundary at an angle exceeding the critical angle. Refraction accounts for bending of light, whereas diffraction involves bending around obstacles.
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