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प्रश्न
People who made mariner’s compass for the first time.
विकल्प
Indians
Europeans
Chinese
Egyptians
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उत्तर
Chinese
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संबंधित प्रश्न
How are the magnets kept safely? What is the role of keepers in storing the magnets?
Answer the following.
Why is it not possible to isolate a single magnetic pole?
Give a reason for the following.
Iron is a magnetic substance.
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Answer the following in detail.
How can a magnet be demagnetized?
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
What do you understand by the term magnetic declination?
Define the term Effective length of a magnet
What will happen when we place magnets near cell phones, computers, and DVDs?
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
