Who we are
Impact
Student
Tutor
Question
A mirror and a source of light are situated at the origin 0 and at a point on OX respectively. A ray of light from the source strikes the mirror and is reflected. If the direction ratios of the normal to the plane are 1, -1, 1, then direction consines of the reflected rays are
Views: 1,017 students
Found 3 tutors discussing this question
Discuss this question LIVE
10 mins ago
Text solution
Verified
[d] Let the ray of light comes along x-axis and strikes the mirror at the origin. Direction cosines of normal are 13√,−13√,13√so.cosθ2=13√ Let the reflected ray has direction cosines l, m, n then l+12cosθ2=13√⇒l=23−1=−13 m+02cosθ2=−13√⇒m=−23 n+02cosθ2=13√⇒n=23
Was this solution helpful?
150
Share
Report
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
60, 000+ Expert tutors
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Essay review
Get expert feedback on your essay
Schedule classes
High dosage tutoring from Dedicated 3 experts
Practice questions from similar books
Stuck on the question or explanation?
Connect with our math tutors online and get step by step solution of this question.
231 students are taking LIVE classes
| Question Text | A mirror and a source of light are situated at the origin 0 and at a point on OX respectively. A ray of light from the source strikes the mirror and is reflected. If the direction ratios of the normal to the plane are 1, -1, 1, then direction consines of the reflected rays are |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
