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प्रश्न
Define the following term:
Geographic meridian
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उत्तर
Geographic Meridian: It is the vertical plane containing the geographic north and south poles of the earth and passing through the given place on the surface of earth.
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संबंधित प्रश्न
“Poles exist in pair”. Comment on this statement ?
State four important properties of a bar magnet?
State three important uses of a magnet.
What is the magnetic induction? Explain with the help of a diagram.
Fill the blank spaces in the table given below:
| Nature of bar | Action of compass needle | |
| North Pole | South Pole | |
| Non-magnetic | No action | ________ |
| ________ | attracted | attracted |
| North pole of a bar magnet | ________ | _________ |
| ________ | attracted | repelled |
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
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- Angle in dip
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| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Consider the statement given below and choose the correct option.
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Reason: The magnets are so sharp.
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