(f) A compass can be used to find East-West direction at any place.
(e) Bar magnets always point towards North-South direction when suspended freely.
(d) Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
In this 2004 map of Parliamentary constituencies
alongside, roughly identify the constituencies in your
State. What is the name of the MP from your
constituency? How many MPs does your state have?
Why are certain constituencies coloured green while
others are coloured blue?
Exercises
(d) In olden days, sailors used to find direction by suspending a piece of ________.