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Direction: A plane mirror is a mirror with a flat reflective surface.
An incident ray is a ray of light that strikes a surface. The reflected ray corresponding to a given incident ray, is the ray that represents the light reflected by the surface. In figure, m and n are two plane mirrors perpendicular to each other.
Q. ∠DBA + ∠BAC
  • b)
    = 90°
  • c)
    =180°
  • d)
    >270°
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Direction: A plane mirror is a mirror with a flat reflective surface....
Since, AC is parallel to BD. Also, ∠DBA and ∠BAC are on same side of transversal AB.
Therefore, they are supplementary.
Hence, ∠DBA + ∠BAC = 180°
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Direction: A plane mirror is a mirror with a flat reflective surface.An incident ray is a ray of light that strikes a surface. The reflected ray corresponding to a given incident ray, is the ray that represents the light reflected by the surface. In figure, m and n are two plane mirrors perpendicular to each other.Q. ∠DBA + ∠BACb)= 90°c)=180°d)>270°Correct answer is option 'C'. Can you explain this answer?
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