Exercise on basics of light and laws of reflection — task. Science State Board, Class 8.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the appropriate answer

1. Beam of light, bounced back by the surface after falling on it called __________.

incident ray
refracted ray
normal
reflecting ray

2. Incident angle of a ray of light is 30°. The angle between the incidend ray and the reflected ray is ___________.

15°
50°
60°
90°

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