Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

A ray of light is incident at $30^{\circ} $ on the plane mirror. What is the angle between mirror and reflected ray ?

$(a)\;30^{\circ} \\ (b)\;60^{\circ} \\ (c)\;20^{\circ} \\ (d)\;90^{\circ} $

Can you answer this question?

1 Answer

0 votes
Since angle of incidence = angle of reflection
$\angle NOR= 30^{\circ}$
$ \therefore \angle ROB = 90-30^{\circ}$
Hence b is the correct answer.
answered Jan 15, 2014 by meena.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App