Identify the device and state its (a) principle, (b) working, (c) uses.
Mirror 1
si
Mirror 2
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Identify the device and state its (a) principle, (b) working, (c) uses.
Mirror 1
si
Mirror 2
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Answer:
It is a periscope..
It is used as a optical instrument and can be easily made by putting 2 plane mirrors in 90 degree
Answer:
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