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प्रश्न
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 |
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उत्तर
| Type of machine | Examples |
| Simple machines that are operated by hand | Screwdriver, pincers, auger chisel, drill machine, spanner, etc. |
| Machines that run on electricity | electric motor, fan, air conditioner, hair dryer, geyser, mixer, oven, etc. |
| Electronic devices | Mobile phones, tablets, laptops, computers, speakers, etc. |
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संबंधित प्रश्न
Break the passage into convenient smaller sections.
Give sub-headings or titles to each section.
Find out more about the following scientist with the help of the internet.
Michael Faraday
Find out more about the following scientist with the help of the internet.
Humphry Davy
Find out more about the following scientist with the help of the internet.
Thomas Edison
Choose any one machine or device and prepare a short note about it. It should include
- The structure of the device
- How it works (functions)
- A labelled diagram
- One or two lines about when and how it evolved.
Before you read further, guess what the passage is about.
What is the meaning of:
Reading became his obsession?
Why do you think Faraday’s friend gave him a free ticket to Davy’s programme?
What actions and thoughts of Faraday show that he was inspired by Davy?
Why did Davy choose Faraday as his secretary?
An induction motor is a commonly used electrical machine. What examples of its use are given here?
Faraday kept a souvenir of his failure as a source of inspiration.
Write the idea behind an electrical generator.
Try out the experiment of the iron filings and the magnet.
epitomises: is a perfect example of.
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.
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.
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 ______.
Now complete the following sentence using your own word.
He went on to prove that ______.
