PDF chapter test TRY NOW
Magic Device:
Let us make a device called a periscope, that uses reflections to see around corners!
- Ask one of your freinds to stand in the corridor just out side the entrance to the classroom with a mirror in hand.
- Ask another friend also holding a mirror, to stand in the middle of classroom in front of the entrance.
- 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.
A boy and a girl holding a mirror
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4. You can make a simple periscope by placing two mirrors in a ‘\(Z\)’ shaped box as shown in figure.
A periscope
Important!
This is a activity-based exercise. Write the answer in a sheet and compare it with the solution given below.
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