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प्रश्न
A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II.
Match the statements given in Column I with those in Column II.
| Column I | Column II |
| Boat gets attracted towards the magnet | Boat is fitted with a magnet with north pole towards its head |
| Boat is not affected by the magnet | Boat is fitted with a magnet with south pole towards its head |
| Boat moves towards the magnet if north pole of the magnet is brought near its head | Boat has a small magnet fixed along its length |
| Boat moves away from the magnet when north pole is brought near its head | Boat is made of magnetic material |
| Boat floats without changing its direction | Boat is made up non-magnetic material |
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उत्तर
| Column I | Column II |
| Boat gets attracted towards the magnet | Boat is made of magnetic material |
| Boat is not affected by the magnet | Boat is made up non-magnetic material |
| Boat moves towards the magnet if north pole of the magnet is brought near its head | Boat is fitted with a magnet with south pole towards its head |
| Boat moves away from the magnet when north pole is brought near its head | Boat is fitted with a magnet with north pole towards its head |
| Boat floats without changing its direction | Boat has a small magnet fixed along its length |
- Magnetic materials get attracted towards a magnet.
- Non-magnetic materials do not get attracted towards a magnet.
- Unlike poles of magnets attract each other.
- Like poles of magnets repel each other.
- Magnets always point towards the North-South direction.
संबंधित प्रश्न
Distinguish between
Magnetic and non-magnetic materials.
Write main properties of a magnet.
Rubber is a magnetic material.
Write down the names of substances.
Substances that are attracted by magnets are called non-magnetic substances.
Analogy:
Magnetic substance: Attracted by magnets
Non-magnetic substance: ______.
What are non-magnetic substances?
When the iron needle is rubbed with a bar magnet the needle gets magnetized. But the rubber piece is rubbed with a magnet it will not get magnetized. Why?
A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car?
Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
