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Question
Which of the following(s) can be used for navigation?
Which of the following(s) can be used for navigation?
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Solution
The correct options are
A Magnetic compass
D Bar magnet
A magnetic compass and a bar magnet when suspended freely align themselves along the geographical north-south direction, i.e. they are useful in finding the directions. Hence they are used for navigation. Wood and plastic are non-magnetic materials. They do not align along any particular direction. Hence wood and plastic cannot be used for navigation.
A
Magnetic compass
D
Bar magnet
A magnetic compass and a bar magnet when suspended freely align themselves along the geographical north-south direction, i.e. they are useful in finding the directions. Hence they are used for navigation. Wood and plastic are non-magnetic materials. They do not align along any particular direction. Hence wood and plastic cannot be used for navigation.
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