Question
The incident ray, the ray perpendicular to the point of incidence, and the reflected ray all lie________.
The correct answer is
in the same plane
The correct answer is in the same plane.
Key Points
- According to the first law of reflection, the incident ray, reflected ray, and the normal at the point of incidence all lie in the same plane.
- The normal is perpendicular to the reflecting surface.
- The angle of incidence ∠ i is equal to the angle of reflection ∠r.
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Important Questions from Optics
Which one of the following colours may be obtained by combining green and red colours?
Which of the following are the primary colours of light?
A non-SI unit called 'nit' is the unit of which of the following photometric quantities used to measure a multitude of light intensity?
Which among the following is used as a reflector in search lights?
Which of the following organs is related with the anatomy of the human eye?
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