Which of the items above will allow you to see around a corner from where you are standing?
A (i) only
B (iii) only
C (i) and (ii)
D (i) and (iii)
!
Ans 1:
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Ans 3:
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Ans 4:
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Class : Class 7
Option b is right because Figure (iii) is periscope which is used to see around the corners. It is based upon the principle of rectilinear propagation of light and reflection of light.
Ans 10:
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Ans 13:
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Ans 16:
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a
from
a, Ghaziabad
Class : Class 7
But I don't understood one thing that 'How the item will allow me to see around a corner from where I am standing?