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)
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Ans 2:
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Ans 9:
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Ans 11:
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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?
Ans 12:
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Ans 14:
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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.