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What is the Angle of Incidence of a Ray If the Reflected Ray is at an Angle of 90° to the Incident Ray? - CBSE Class 8 - Science

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Question

What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?

Solution

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^@`

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Solution What is the Angle of Incidence of a Ray If the Reflected Ray is at an Angle of 90° to the Incident Ray? Concept: Laws of Reflection.
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