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प्रश्न
Define the terms magnetic declination and dip with reference to a freely suspended magnet.
उत्तर
Magnetic declination: The angle through which a freely suspended magnetic needle is inclined to the geographic axis is known as magnetic declination.
OR
The angle between the geographic meridian and magnetic meridian it is given place is called declination.
Magnetic dip: The angle between the horizontal axis passing through the freely suspended magnet and the direction of the earth’s magnetic field is called the magnetic dip.
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संबंधित प्रश्न
Fill in the blank.
A freely suspended magnet points in the ......................... direction.
Fill in the blank.
A magnet has ............. poles.
Fill in the blank.
The north pole of the imaginary magnet of the earth is near the geographic ................. pole.
A small iron bar is kept near the north pole of a bar magnet. How does the iron bar acquire magnetism? Draw a diagram to show the polarity on the iron bar. What will happen if the magnet is removed?
State two evidences of the existence of earth's magnetic field.
Give short account of the earth’s magnetic field.
A freely suspended bar magnet is always pointing along the ________ north-south direction.
Consider the statement given below and choose the correct option.
Assertion: The Earth’s magnetic field is due to iron present in its core.
Reason: At a high temperature a magnet loses its magnetic property or magnetism.
Write a note on Earth’s magnetism.
What is the diameter of the magnetar?
