What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray? If the reflected ray is at an angle of 90° to the incident ray, then the angle of incidence is 45 °. According to the law of reflection, the angle of incidence is equal to the angle of reflection. Therefore, the angle of incidence and the angle of reflection both are `90^@/2 = 45^@` Concept: Law of Reflection of Light Is there an error in this question or solution?
Answer :
If the reflected ray is at the angle of 90 degrees to the incident ray, then the angle of incidence is 45 degrees. According to the law of reflection, the angle of incidence is equal to the angle of reflection. Therefore, the angle of incidence and the angle of reflection both are equal to 90/2 = 45 degrees. |
What is the angle of incidence if the reflected ray is at an angle of 90 to the incident ray?
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