Q: What is angle of incident if the reflected ray is 90 degree to incident ray?

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We know angle of incidence = angle of reflection. Hence, angle of incidence will be 24/2 = 12 degrees. (which is also angle of reflection)

yes

The angle between the incident ray and reflected ray is known as angle of deviation due to reflection. This will always be equal to 2i. Here i is the angle of incidence. So if 2i = 90 then i = 90/2 = 45 So the angle of incidence has to be 45 deg

The angle of reflection is 140/2 = 70 degrees. The angle of reflection is the same as the the same as the incident.

yes.

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Call the angle from the incident ray to the normal X. The angle of the reflected ray to the normal also has to be X because the incidence angle and the reflected angle are equal by law of reflection. Since the angle between the reflected and incident ray is 90 degrees: 2*X = 90 So, X = 45 degrees.

We know angle of incidence = angle of reflection. Hence, angle of incidence will be 24/2 = 12 degrees. (which is also angle of reflection)

The angle between the incident ray and the reflected ray is equal to the angle between the incident ray and the normal. When the mirror is rotated, the normal also rotates by the same angle. Therefore, the angle between the incident ray and the reflected ray will still be 20 degrees.

As the incident ray coincides the normal so the incident angle is 0 degree and angle of incident equals to the angle of reflection so the ray after reflection retraces its orignal path. By mohit agarwal

The angle between the incident ray and the normal is known to be angle of incidence The angle between the reflected ray and the normal is said to be angle of reflection By the law, the angle of incidence = angle of reflection

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.

The incident ray, reflected ray, and normal are related by the law of reflection, which states that the angle of incidence is equal to the angle of reflection. The incident ray is the incoming ray of light, the reflected ray is the ray of light that bounces off the surface, and the normal is an imaginary line perpendicular to the surface at the point of incidence.

The angle between the incident ray and the mirror is equal to the angle between the reflected ray and the mirror.

Incident Ray and Reflected ray

yes

An angle of reflection is the angle between the reflected ray and the surface normal (a line perpendicular to the surface) at the point of reflection. It is equal to the angle of incidence (angle between the incident ray and the surface normal) in accordance with the law of reflection.

There are three laws of reflection and which are as follows:The incident ray, the reflected ray and the normal to the reflection surface at the point of the incidence lie in the same plane.The angle which the incident ray makes with the normal is equal to the angle which the reflected ray makes to the same normal.The reflected ray and the incident ray are on the opposite sides of the normal.