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
0my age is 19 and i m giving 12 th in state board exam next year....am i elligible for jee advance 2015
 
 
EE Main 2014 Eligibility Criteria 1. Pass Percentage in Qualifying Examination: Candidates must have studied Physics,Mathematics as compulsory subjects They must have studied any one of the...
  img
Sher Mohammad 11 days ago
 
For JEE 2014 the eligibility criteria for admission, in context of age was: Born on or after 1stOctober 1989. So for JEE 2015 you can have the idea about the exact date, i.e.,Born on or...
  img
Aziz Alam 16 days ago
sir i was an cbse student and due to medical problem i was unable to attend my board exams si i got failed marksheet . now ihad got a regular class admission in a mp board school so am i...
 
 
No, it won’t create any problems as far as you secure good marks in this time around and secure a good in seat in a good college and branch Thanks & Regards Aziz Alam IIT Roorkee...
  img
Aziz Alam 7 days ago
If for real values of x, cosA = x+1/x,then A) A is an acute angle B) A is a right angle C) A is an obtuse angle
 
 
Ans: Hello Student, Please find the answer to your question below It is possible, because Not possible, because So cosA will be negative which means A should be b/w (pi)/2 & pi. (c) is a...
  img
Jitender Singh 2 days ago
if lacs of students go to kota and study hard, why only a few get selected should i go to kota and join resonance or allen or andhra pradesh and join narayana and is 6 hrs a day enough to...
 
 
see going kota is not enough or its not the licence for iit jee.the main thing is self study.the coaching is not bad at all but you need your own ways to study and if your aim is top 200 you...
 
vineet chatterjee 12 days ago
i am a student who secured 96.2% marks in my board. i secred 8582rank in eamcet, in aieee i secired 181 marks . can please tell me can i attempt for iit jee 2010
 
 
hi satyapreet, ur past performance shows u r realy a sincere and bright student,definitely u should attemt for jee next year.Let me make one thing clear u have the potential AND U CAN CRACK...
 
askiitian expert akshay singh 5 years ago
what is length of second pendulum at pole of earth?
 
 
The value of g at poles is 9.83 m/s(square). So we use the formula of time period of the simple pendulum where t=1 sec. as it is a seconds pendulum. We can calculate the length of the...
  img
Apoorva Arora one month ago
View all Questions »