sir plz answer..


Suppose that a ray of light leaves the point (3,4), reflects off the y axis toward the x axis, reflects off the x axis, and finally arrives. At point (8,2).
When, ray reflect from y axis, and incident on x axis, the co ordinate of that pt is (x,0)

find value of x?

3 years ago

Share

Answers : (1)

                                        

The co-ordinate os that pt is (5,0)


 


so, x=5

3 years ago

Post Your Answer

More Questions On IIT JEE Entrance Exam

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
what is the last date for joining test series of brilliant for iit jee preparation 2015 & what is the procedure to join this.
 
 
Hi Student, Go to the official website of Brilliant. You will get all the...
  img
Harishwar 15 days ago
which extra books should i read for advance?
 
 
http://www.askiitians.com/important-books-iit-jee.aspx….….….….….….….............................................................................
  img
Harishwar one month ago
which is the best book of the pcm for the preparation of iit advance
 
 
I would like to give you the link of corresponding books, that would be hlpfull for IIT-JEE MAIN and Advanced...
  img
Saurabh Kumar 22 days ago
Tell me where is the largest library in the world ?
 
 
The United States Library of Congress in Washington D.C. ranks as the largest library in the world. The British Library the world's other great library houses a collection comprising of 150...
 
Vijay Luxmi Askiitiansexpert 5 years ago
Which govt. college can i get at AIR overall 375000 and AIR category 224000 in jee mains? I belong to general category. Thank you..
 
 
These are some of the govt.colleges in which you may get admission as per your rank: National Institute of Technology, Dimapur National Institute of Technology, Raipur National Institute of...
  img
Ramreddy 4 months ago
 
In which round can I expect seat allotment?
 
PRERAK CHATURVEDI 4 months ago
which is the best iit for computer engg. and what should be the jee rank to get into it
 
 
IIT Bombay is the best for CSE because by seeing opening and closing ranks .The opening and closing ranks of CSE IIT Bombay for this year are 1-59 in open category, 8-38 in OBC category,...
 
venkatesh vadde one year ago
 
As far as I know, it''s IIT Bombay and the cut-offs are very high. Kind of 1-50 rankers go there
 
Vaibhav Varun one year ago
View all Questions »