Tamil Nadu State board (Class 10) › Optics › Question #8372
Single Choice Moderate

QWhat is the angle of incidence when a ray of light is refracted at an angle of 30 degrees?

ID: #8372 Optics 137 views
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#8372Q ID
ModerateDifficulty
OpticsTopic
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  • A 30 degrees ✔ ✖
  • B 60 degrees ✔ ✖
  • C 90 degrees ✔ ✖
  • D 120 degrees ✔ ✖
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Answer: A) 30 degrees

Explanation: The angle of incidence is equal to the angle of refraction when light passes from one medium to another medium of the same refractive index. Since the ray of light is refracted at an angle of 30 degrees, the angle of incidence is also 30 degrees.

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