science
Grade-4-
Easy
Question
The incident ray and the perpendicular at the point of incidence make the _____.
- Perfect pair
- Pair of lines
- Angle of incidence
- Both 1 and 3
Hint:
Incident angle.
The correct answer is: Angle of incidence
The angle between incident ray and the perpendicular to the surface is called incident angle.
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scienceGrade-4-
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