Question

b. The process of destroying the magnetic properties of a magnet is called____
c. The end of a freely- suspended magnet which point towards the north is called_____
d. When the moon is partly in umbra and partly in penumbra, the eclipse is called_____​

Answer 1

Answer:

a)Demagnetization is the process of removing the magnetic property of a magnet.

b)Earth's magnetic field, a freely suspended bar magnet on Earth aligns itself in the N-S direction with its north pole

c)The UMBRA is the region of total shadow, while the PENUMBRA is the surrounding region of partial shadow. In the penumbra, sunlight is only dimmed and not blocked.

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