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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
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?)
Write what is implied in the following sentence.
People started telling Davy that of all his discoveries, the best was Faraday himself.
(What does it suggest about Davy’s work?)
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
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
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?
What is the meaning of:
Electricity became a lifelong fascination?
Why do you think Faraday’s friend gave him a free ticket to Davy’s programme?
Why did Davy choose Faraday as his secretary?
Give one example to show that Davy was not a good mentor.
Guess the meaning of reverse engineer it.
Faraday kept a souvenir of his failure as a source of inspiration.
Write the idea behind an electrical generator.
‘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.
One day he came across a book on ______.
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, ______.
Now complete the following sentence using your own word.
When he was twelve, ______.
Now complete the following sentence using your own word.
He decided that ______.
Now complete the following sentence using your own word.
He never believed ______.
