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प्रश्न
People who made mariner’s compass for the first time.
विकल्प
Indians
Europeans
Chinese
Egyptians
उत्तर
Chinese
APPEARS IN
संबंधित प्रश्न
“Poles exist in pair”. Comment on this statement ?
Which magnet will you use?
You are lost in a forest.
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
Select the correct option:
The place around a magnet where its influence can be detected is called:
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
One of the following is an example for a permanent magnet.
Observe the pictures A and B given in Fig. 13.1 carefully.
Which of the following statement is correct for the above given pictures?
