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प्रश्न
How will you test whether a given rod is made of iron or not?
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उत्तर
Bring a magnet near the rod if the rod is attracted by the magnet then it will be made of iron else not.
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संबंधित प्रश्न
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
Answer the following in short.
What is a magnet? Differentiate between natural and artificial magnets.
Define the following term regarding a bar magnet:
Magnetic equator
Which magnet will you use?
You are lost in a forest.
Write the answer in your word.
What are the practical uses of a magnet?
With whom should I pair up?
| Group 'A' | Group 'B' |
| (a) Compass | 1. The highest magnetic force |
| (b) The door of a cupboard | 2. Like poles |
| (c) Repulsion | 3. A magnet |
| (d) Magnetic pole | 4. A magnetic needle |
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
