please please please please ans
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
here the reflected angle is 90 to incident angle
r+i=90 (r is angle of reflection and I is angle of incidence)
But, i=r
i+i=90
2i=90
i= 90/2
i= 45