EASY
7th West Bengal Board
IMPORTANT
Earn 100

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Take the south pole (S) of the magnet held in your hand near the pole of the suspended magnet. What can you see?

Important Questions on Physical Environment

EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 25

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Why is the pole 'S' of the suspended magnet attracted towards the pole 'N' of the magnet held in the above picture?

EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 25
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Is there any force acting between the two opposite poles? Is it attractive or repulsive?
EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 25
Bring the pole 'N' of the magnet held in your hand near the pole 'S' of the suspended magnet. What do you see now? Do the two opposite poles still attract each other?
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EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 25
Between attraction and repulsion, which one is the surest experiment of a magnet?
EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 26
Touch a nail with another shown in the below picture. Do they attract each other?
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EASY
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 26
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Hold the bar magnet as shown in the figure. Touch a nail to one of its poles and allow it to cling to the magnet. Touch another nail to the first one and leave it. What can you see? Why is the second nail hanging from the first one? Why is it not falling?
MEDIUM
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 26
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In the above picture, is the first nail attracting the second nail? Why?
MEDIUM
7th West Bengal Board
IMPORTANT
Environment and Science Class 7>Chapter 1 - Physical Environment>Exercise 26
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Take several nails and see whether you can make a chain of hanging nails. Now carefully hold the first nail (in direct contact with the magnet) take care so that no nail falls from the chain. Slowly take away the magnet. What can you see? Why do the nails fall?