A light ray strikes a plane mirror at an angle of incidence of 30 degrees. What is the angle of reflection? (2021)
Practice Questions
1 question
Q1
A light ray strikes a plane mirror at an angle of incidence of 30 degrees. What is the angle of reflection? (2021)
30 degrees
60 degrees
90 degrees
45 degrees
According to the law of reflection, the angle of reflection is equal to the angle of incidence. Therefore, the angle of reflection is also 30 degrees.
Questions & Step-by-step Solutions
1 item
Q
Q: A light ray strikes a plane mirror at an angle of incidence of 30 degrees. What is the angle of reflection? (2021)
Solution: According to the law of reflection, the angle of reflection is equal to the angle of incidence. Therefore, the angle of reflection is also 30 degrees.