Question

If a ray of light incident on a plane mirror is such that it makes an angle of ${25}^o$ with the mirror, then the angle of reflection will be

• A. ${25}^o$
• B. ${55}^o$
• C. ${50}^o$
• D. ${65}^o$

Answer 1

The correct option is D ${65}^o$

The angle between the incident ray and plane mirror is given by ${25}^o$
The the angle of incidence will be $${90}^o-{25}^o={65}^o$$ Since angle of incidence is equal to angle of reflection, this means that angle of reflection will be ${65}^o$