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प्रश्न
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
विकल्प
In A, cars 1 and 2 will come closer and in B, cars 3 and 4 will come closer.
In A, cars 1 and 2 will move away from each other and in B, cars 3 and 4 will move away.
In A, cars 1 and 2 will move away and in B, 3 and 4 will come closer to each other.
In A, cars 1 and 2 will come closer to each other and in B, 3 and 4 will move away from each other.
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उत्तर
In A, cars 1 and 2 will come closer to each other, and in B, 3 and 4 will move away from each other.
Explanation:
If the magnets on vehicles 1 and 2 are facing each other with opposite poles, the cars will be attracted. If the magnets on cars 1 and 2 are facing each other with the same poles, the cars will repel each other. In scenario B, the magnets on vehicles 3 and 4 will repel each other because they have the same pole.
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संबंधित प्रश्न
Write true or false of the following statement.
Magnetic poles occur in pairs.
Answer the following in detail.
Write a short note on the theory of magnetism.
Answer the following in detail.
How can a magnet be demagnetized?
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 |
Select the correct option:
The substance which form a strong temporary magnet is:
Describe, how you will proceed to determine the position of the pole of a bar magnet.
What is a natural magnet?
Give scientific reason:
Not attraction but repulsion is a sure test of magnetism.
Differentiate between:
Primary and secondary cell.
