A ray of light incidents on a plane mirror at an angle of 90° to its surface. What will be the angle of relfection? ( )
A. 0°
B. 90°
C. 450°
D. 180°
Answer:A
A ray of light incidents on a plane mirror at an angle of 90° to its surface. What will be the angle of relfection? ( )
A. 0° B. 90° C. 450° D. 180°