Assignment on Fun with Magnets (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 1

What will happen if take magnetic compass near a bar magnetic?

(a) The needle will deflect

(b) The needle will not deflect

(c) the needle will reverse the direction

(d) None of these

Ans:- (a)

Question 2

The North end of the freely suspended magnet points towards?

(a) Geographical West

(b) Geographical East

(c) Geographical North

(d) Geographical South

Ans:- (c)

Question 3

Which of the following is true of magnets?

(a) Like poles repel each other

(b) Opposite pole attract each other

(c) Magnets has two poles (North and South)

(d) All the above

Ans:- (d)

Question 4

What is false of Magnets?

1. Magnetic power is more in the middle of bar magnets
2. Magnetite is a natural magnet
3. Magnetic compass always aligned towards North south direction
4. None of the above

Ans:- (a)

Question 5

A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filing clinging to the?

1. North pole is almost equal to the south pole.
2. North pole is much more than the south pole.
3. North pole is much less than the south pole.
4. Magnet will be same all along its length.

Ans:- (a)

Question 6

1. P ⇾ V, Q ⇾ U, R ⇾ V, S ⇾ U
2. P ⇾ U, Q ⇾ V, R ⇾ V, S ⇾ U
3. P ⇾ V, Q ⇾ U, R ⇾ U, S ⇾ V
4. None of these

Ans:- (a)

Question 7

The North pole of a magnetic needle is painted

1. Red
2. Blue
3. Green
4. Black

Ans:- (a)

Question 8

Statement A: Magnetism of a magnet is lost by Hampering

Statement B: Magnetism of a magnet is lost by breaking it

1. Statement A is correct only
2. Statement B is correct only
3. Both the Statement A and B are correct
4. Both the Statement A and B are incorrect

Ans:- (a)

Question 9

1. P ⇾ V, Q ⇾ U, R ⇾ V, S ⇾ U
2. P ⇾ U, Q ⇾ V, R ⇾ V, S ⇾ U
3. P ⇾ V, Q ⇾ U, R ⇾ U, S ⇾ V
4. None of these

Ans:- (b)