Question

Q) An incidence ray makes an angle 30 degree with a plane mirror . then the angle of reflection is a) 30 degree b) 60 degree c) 45 degree d) 150 degree.. this is Question from my book i need answer...​

Answer 1

Answer:

30 degree because angle I is equal to angle r

Answer 2

Answer:

it must be 30 deegre because incident ray is equal to the reflected ray