Fill in the blanks to complete the following sentences: i) A ray travelling towards the mirror is the _________. ii) Angle between the reflected ray and normal is the _____. iii) The angle between the reflecting surface and the reflected ray is called _____.

Fill in the blanks to complete the following sentences: i) A ray travelling towards the mirror is the _________. ii) Angle between the reflected ray and normal is the _____. iii) The angle between the reflecting surface and the reflected ray is called _____.

1. A
i) Incident ray, ii) angle of reflection, iii) glancing angle of reflection
2. B
i) Normal ray, ii) glancing angle of reflection, iii) angle of incidence
3. C
i) Reflected ray, ii) glancing angle of incidence, iii) glancing angle of reflection
4. D
i) reflected ray, ii) angle of incidence, iii) angle of reflection

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Solution:

Concept: A light beam is a collection of light rays that are emitted from a source of light, and a light ray is a line drawn in the direction of light propagation. Whether a mirror is planar, concave, or convex, a light ray always moves in a straight path and is reflected from them.
Agreeing to definition, i) A beam from the protest, voyaging towards the reflect is the occurrence ray. ii) Point between the reflected beam and the ordinary is the point of reflection. iii) The point between the reflecting surface and the reflected beam is known as the looking point of reflection.
Hence, the correct answer is option 1.

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