80/2 = 40 deg
yes.
incident ray
the angle of incidence is equal to the angle of reflection
No
3 strikes
An incident ray is the ray of light that approaches a surface, while a reflected ray is the ray of light that bounces off the surface after striking it. The angle of incidence of the incident ray is equal to the angle of reflection of the reflected ray, as per the law of reflection.
An incident wave is a wave that strikes a boundary or obstacle. A reflected wave is a wave that bounces off the boundary or obstacle and travels in the opposite direction.
An incident ray is the ray of light that strikes a surface, while a reflected ray is the ray that bounces off the surface. The angle of incidence (formed by the incident ray and the normal) is equal to the angle of reflection (formed by the reflected ray and the normal) according to the law of reflection.
An incident ray is the incoming ray of light that strikes a surface, while a reflection ray is the ray of light that bounces off the surface after reflection. The incident ray and reflection ray are equal in angle but opposite in direction relative to the normal of the surface.
The angle of incidence is the angle between the incident ray (incoming light ray) and the normal (perpendicular line) to the surface it strikes. It's a critical factor in determining how light or energy is reflected, refracted, or absorbed by a surface.
Incident rays are incoming rays of light that strike a surface, while reflected rays are rays of light that bounce off that surface after the collision. The angle at which the incident ray approaches the surface is equal to the angle at which the reflected ray leaves the surface, according to the law of reflection.
When you shine a flashlight at a mirror, the ray of light that shines back at you is the ray of reflection, not incidence. The ray of incidence is the incoming ray of light that strikes the mirror. The ray of reflection is the outgoing ray that bounces off the mirror at an equal but opposite angle to the incident ray.
All reflected light rays pass through the point of reflection, which is the point where the incident ray strikes the reflecting surface and reflects off it.
The incident ray is the ray of light that first strikes the surface of a medium or interface, while the emergent ray is the ray of light that exits the medium after being refracted or reflected. The direction of the emergent ray depends on the angle of incidence and the properties of the medium.
yes.
The angle of reflection is the angle between the reflected ray and the normal to the mirror surface. According to the law of reflection, this angle is equal to the angle of incidence, which is the angle between the incident ray and the normal.
The ray that strikes the mirror is called the incident ray.