Question

Q.1 Which of the following military vehicle will use periscope for safe viewing of the outside objects during war time?

I. Military Van
II. Fighter Jet
III. Battle Tank
IV. Attack Helicopter

Q.2 The diagram below shows a periscope with two non-parallel plane mirrors, what will be the nature of the image as observed by the viewer O?

I. virtual, erect and magnified
II. real, inverted and magnified
III. real, inverted and diminished
IV. virtual, erect and diminished

Answer 1

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