A ray of light strikes a plane mirror, such that the angle with the mirror is 20°. What is the value of angle of reflection? What is the angle between the incident ray and the reflected ray? ∵ Light ray makes an angle of 20° with the mirror∴ ∠ABM = 20°Angle of incidence = ∠i = 90° – 20°∠i = 70° ∵ ∠i = r ∴ ∠r = 70°  Angle between incident ray and reflected ray = ∠i + ∠r = 70°+ 70°= 140° Concept: Images Formed by a Plane Mirrors Is there an error in this question or solution?
Dear Student, Incident ray makes 200 degree angle with normal or the mirror. Your question is not clear and appears to be incomplete. Recheck your question and do get back to us.
See figure carefully,
b. Angle of incidence and angle of reflection for normal incidence are 30° both. No worries! We‘ve got your back. Try BYJU‘S free classes today! No worries! We‘ve got your back. Try BYJU‘S free classes today! Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses No worries! We‘ve got your back. Try BYJU‘S free classes today! Open in App Suggest Corrections 2 a) Angle of incidence = 90-20 = 70 degrees.Angle of reflection = Angle of incidence = 70 degrees.b) For normal incidence, angle of incidence = Angle of reflection = 0 degrees. |
A ray of light strikes the mirror at an angle of 200 what is the angle of reflection
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