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प्रश्न
How can magnetic properties of a magnet be destroyed?
उत्तर
1. By hammering the magnet repeatedly.
2. By rough handling
3. By heating.
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संबंधित प्रश्न
Fill in the blank
A magnet has ______ poles.
Answer the following.
What are magnetic substances?
Answer the following.
What are artificial magnets?
Give a reason for the following.
The directive property of magnets is used in a compass.
What happens when N-pole of a magnet is brought near the N-pole of a suspended magnet?
A compass can be used to find East - West direction at any place.
Proper storage can also cause magnets to lose their properties.
Give the properties of magnets.
Match Column I with Column II (One option of A can match with more than one option of B)
| Column 1 | Column II | ||
| (a) | Magnet attracts | (i) | rests along a particular direction |
| (b) | Magnet can be repelled | (ii) | iron |
| (c) | Magnet if suspended freely | (iii) | another magnet |
| (d) | Poles of the magnet can be identified by | (iv) | iron filings |
Fig. 13.6 shows a magnetic campass. What will happen to the position of its needle if you bring a bar magnet near it? Draw a diagram to show the effect on the needle on bringing the bar magnet near it. Also draw the diagram to show the effect when the other end of the bar magnet is brought near it.
