Earth's Magnetic Poles

Q.

The south pole of earth's magnet is in

1. Geographical north.

2. Geographical south.

3. South pole of freely suspended magnet.

4. Cannot be determined.

Q.

The shape of earth's magnetic field resembles that of an imaginary ___ magnet.

Q.

"The axis of earth's magnetic field is along the geographical axis". The statement given is

1. False

2. True

Q. The magnetic north pole is not the same as the geographic north because:

1. None of these

2. Earth does not produce magnetic field lines

3. Earth’s imaginary bar magnet is not aligned to geographic north south

4. Earth’s imaginary bar magnet inside is perfectly aligned to geographic north south

Q.

A compass has a small balanced pointer that always points North-South when suspended freely. This is because :

1. The Earth has a magnetic field and the pointer is magnetic.

2. Of gravitational force of the Earth.

3. The compass needle points to cold places.

4. The Earth doesn't have any magnetic field.

Q.

(i) A compass is used to show the directions.
(ii) The needle of a compass is magnetic.

1. Only (i) is correct

2. Only (iI) is correct

3. Both are correct

4. Both are wrong

Q.

You have a piece of iron and a magnet. How will you distinguish them?

Q. Magnets align themselves according to the magnetic field around them.

1. True
2. False

Q.

Which of these tools can help you find your way if you are lost?

1. Stick
2. Compass
3. Pencil
4. Leaf

Q. A freely suspended magnet aligns itself in _________direction.

1. direction
2. speed
3. distance
4. time travelled

Q.

A freely suspended magnet always aligns in:

1. N-S direction

2. Any of these direction

3. E-W direction

4. N-W direction

Q.

There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic North direction. It also attracts iron items. What can this bar be considered similar to?

1. A water tank

2. A bar magnet

3. A battery

4. An electric bulb

Q.

The magnetic north and south poles of the earth are different from its geographical north and south poles.

1. True

2. False

Q. Unlike poles of magnets ________ each other.

1. Protect the shape
2. Protects magnetic property
3. Protect the colour
4. Arrange the magnet

Q.

At which of the following locations is a compass functional?

1. Only in oceans or seas

2. Only on land, where the earth's magnetic field is strong

3. Only on high mountains

4. At all the places within the earth's magnetic field

Q. North pole of the freely suspended magnet is attracted toward the geographical south pole.

1. True
2. False

Q.

The magnetic north and south poles of the earth are different from its geographical north and south poles.

1. True

2. False