Correct Answer:
Option B - According to the law of reflection, the angle of incidence is always equal to the angle of reflection. Therefore, if the angle of incidence on a concave mirror is 30 °, then the angle of reflection will also be 30 °.
B. According to the law of reflection, the angle of incidence is always equal to the angle of reflection. Therefore, if the angle of incidence on a concave mirror is 30 °, then the angle of reflection will also be 30 °.