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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
State if the following statement is true or false. Correct the statement if it is false.
Attraction is the surest test for magnetism.
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 |
What are magnetic keepers? What are they used for?
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
State the laws of magnetism.
