wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A ray of light comes along the line L=0 and strikes the plane mirror kept along the plane P=0 at B. A(2,1,6) is a point on the line L=0 whose image about P=0 is A. It is given that L=0 is x23=y14=z65 and P=0 is x+y2z=3.

The coordinates of A are

A
(6,5,2)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
(6,5,2)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
(6,5,2)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B (6,5,2)
Let A(x2,y2,z2) be the image of A(2,1,6) about mirror x+y2z=3. Then, x221=y211=z262 =2(2+1123)12+12+22=4 (x2,y2,z2)(6,5,2).

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon