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प्रश्न
Try out the experiment of the iron filings and the magnet.
epitomises: is a perfect example of.
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उत्तर
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Materials Needed: You'll need some iron filings, a sheet of paper, and a bar magnet.
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Preparation: Place the sheet of paper on a flat surface.
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Positioning the Magnet: Place the bar magnet under the sheet of paper. You can experiment with different orientations, such as placing the magnet flat or standing it on one end.
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Sprinkling Iron Filings: Gently sprinkle the iron filings onto the paper above the magnet.
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Observation: You will observe that the iron filings align themselves along the magnetic field lines of the magnet. Near the poles of the magnet, where the magnetic field is strongest, the filings will be denser.
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Experimenting Further: You can experiment with different magnets, or even multiple magnets, to see how the patterns change.
This experiment is a perfect example of how a physical phenomenon, which is not visible to the naked eye, can be represented visually in a simple and educational way. It helps in understanding the concepts of magnetic fields, magnetic poles, and the way magnetic forces act on ferromagnetic materials like iron.
संबंधित प्रश्न
Write what is implied in the following sentence.
Even then Davy did not have much hope for Faraday.
(What do the words 'even then' suggest?)
Break the passage into convenient smaller sections.
Give sub-headings or titles to each section.
List the different gadgets and instruments mentioned in the passage. Find more information about them (at least 3), using the internet.
Find out more about the following scientist with the help of the internet.
James Maxwell
- What would you like to learn about in your Science period?
- Have you ever tried to do an experiment on your own? If yes, tell me about it. If not, tell me why you’ve never tried.
- What would you like to learn about in your English classes?
Think of as many examples of the following as you can within five minutes and write them in the appropriate column.
| Type of machine | Examples |
| Simple machines that are operated by hand |
|
| Machines that run on electricity | |
| Electronic devices |
Write as many uses of the following as you can. Form groups of four. Compare your lists. Make a long list by putting together the lists of all members.
- A cloth bag
- a wicker basket
- a glass bottle or jar
- a steel bowl
- a thick string or rope
Before you read further, guess what the passage is about.
What were the odds against Faraday in his childhood?
What is the meaning of:
Electricity became a lifelong fascination?
What was the subject of Davy’s lecture?
Why did Davy choose Faraday as his secretary?
How did Faraday respond to that treatment?
What happens when an electric current is applied to a wire?
An induction motor is a commonly used electrical machine. What examples of its use are given here?
Give one example to show that Faraday was a good pupil.
Faraday kept a souvenir of his failure as a source of inspiration.
‘In order to succeed, your desire for success should be greater than your fear of failure’.
- Michael Faraday
Find the following matter in the passage and copy the missing word.
When he was twelve, ______ school ______.
Find the following matter in the passage and copy the missing word.
One day he came across a book on ______.
Find the following matter in the passage and copy the missing word.
Faraday decided that ______ scientist - ______.
Find the following matter in the passage and copy the missing word.
Davy never believed ______ science ______.
Find the following matter in the passage and copy the missing word.
People started telling Davy that ______ discoveries, ______.
Find the following matter in the passage and copy the missing word.
He went on to prove that ______ filings;
Find the following matter in the passage and copy the missing word.
It was Maxwell who ______ equations ______.
Now complete the following sentence using your own word.
When he was twelve, ______.
Now complete the following sentence using your own word.
One day he came across a book on ______.
Now complete the following sentence using your own word.
He decided that ______.
Now complete the following sentence using your own word.
He never believed ______.
Now complete the following sentence using your own word.
People started telling ______ that ______.
Now complete the following sentence using your own words.
He handed him ______ which ______.
