1.) A laser beam is reflected by a plane mirror. It is observed that the angle between the incident and reflected beams is 30. What is the angle of reflection? Explain

2.) A ray of light strikes a plane mirror with an angle of 30 above the horizon.
What is the angle of incident?
What is the angle of reflection?
Show your work

3.) Looking at the figure on the side? (attached)
How many times will the light strike the top of the mirror?
The distance between the two parallel mirrors is 70 cm, and the length of each mirror is 100cm

thank you to anyone who will solve it <3