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प्रश्न
If the angle between the plane mirror and the incident ray is 40∘, what are the angles of incidence and reflection?
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उत्तर
`angle i + 40° = 90°`
`=> angle i = 50°`
Using law of reflection, we have
`angle i = angle r = 50°`
संबंधित प्रश्न
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