Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box

The correct answer is D

Explanation:

The correct statement is angle at which the mirror reflects the light from the ray box.

Explanation:

A mirror is an object which has a reflective surface. The image formed by the mirror are due to the reflection.

The ray of light from the object that falls on the mirror at an angle of incidence  gets reflected back at an angle of reflection.

Incident ray is the ray of light that falls on the surface and reflected ray is the ray of light that gets bounced back after the reflection.

The angle of incidence is the angle that is formed between the incident ray and the normal which is drawn perpendicular to the surface.

The angle of reflection is the angle formed between the reflected ray and the normal which is drawn perpendicular to the surface.

Angle of reflection depends on the angle at which the light has been incident. Hence, the dependent variable will be the angle at which the mirror reflects the light from the ray box.

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