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

A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the figure. The pencil of light coming out of the hole falls on a mirror.


At which point should the eye be placed, so that the hole can be seen?

A
A
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
B
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
C
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
D
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A A
Following the laws of reflection, the eye should be placed at A because the hole can be seen only when the angle of incidence is equal to the angle of reflection.

flag
Suggest Corrections
thumbs-up
0
similar_icon
Similar questions
View More
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Laws of Reflection
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon