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 control variable in this experiment? ( a the ray box used as the source of light)( b the direction along which the light moves) (c angle at which the light from the ray box strikes the mirror) or (d angle at which the mirror reflects the light from the ray box)
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