PDF chapter test TRY NOW

Magic Device:

Let us make a device called a periscope, that uses reflections to see around corners!
  1. Ask one of your freinds to stand in the corridor just out side the entrance to the classroom with a mirror in hand.
  2. Ask another friend also holding a mirror, to stand in the middle of classroom in front of the entrance.
  3. Now ask your friends to ajust their mirrors in such a way that the image of object on the other side of the corridor becomes visible to you while you are standing inside the class.
YCIND_220927_4495_9.png
A boy and a girl holding a mirror
\(\)
4. You can make a simple periscope by placing two mirrors in a ‘\(Z\)’ shaped box as shown in figure.
 
YCIND_220927_4495_10.png
A periscope
 
Important!
This is a activity-based exercise. Write the answer in a sheet and compare it with the solution given below.