Definition, Light, Reflection of light, Incident ray, Reflected ray, Incident point, Normal, Angle of incidence, Angle of reflection
Answers
1) reflection of light : reflection is when light bounces off an object. if the surface is smooth and shiny , like glass , water or polished metal , the light will reflect at the same angle as it hit the surface.
2) incidence ray : an incident ray is ray of light that strikers a surface. the angle between this ray and the perpendicular or normal to the surface is the angle of incident.
3) reflected ray : ray means an incident ray is ray of light that strikers a surface. the angle between this ray and the perpendicular or normal to the surface is the incidence.
4) incidence point : point of incidence. the point on the surface where the incident ray strikers the surface is called point of incidence.
5) normal angle of incidence : In geometric optics, the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal angle of incidence.
6) angle of reflection : the angle made by a reflected ray with a perpendicular to reflecting surface.
Answer:
light the energy which causes the sensation of vision
Explanation:
the the light falling on the mirror is called incidence Ray
after reflection it is called reflected ray
draw a perpendicular line op make an angle of 90 with a line a man this perpendicular is known as normal
angle of incidence the angle formed by incidence Ray with normal is known as angle of incidence
angle of reflection the angle formed by reflected ray with normal is known as angle of reflection
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