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Class 6 Science
Exploring Magnets Chapter 4 Quiz 1
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Which is an example of a magnetic substance?
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Iron
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Nickel
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Cobalt
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All of these
Explanation
All of these
Magnets have a shape
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cylindrical
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ball ended
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horse shoe
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all of these
Explanation
all of these
When a bar magnet is brought near iron dust, most of the dust sticks
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near the middle
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equally everywhere
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near two ends
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at the middle and ends
Explanation
near two ends
A freely suspended bar magnet rests in
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north-south directions
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east-west directions
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upside down
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any direction by chance
Explanation
north-south directions
Attraction is seen between the poles of two bar magnets in the case of
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N-pole of one magnet with N-pole of other
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N-pole of one magnet with S-pole of other
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S-pole of one magnet with S-pole of other
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all of these cases will show attraction
Explanation
N-pole of one magnet with S-pole of other
Which is a natural magnet?
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Magnetite
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Haemetite
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Bakelite
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Copper
Explanation
Magnetite
Choose the wrong statement
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Heat can destroy magnetic properties of a magnet.
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Magnets are made up of different materials and different shapes.
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There is a maximum attraction in middle of a magnet.
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Magnetite does not show magnetic properties.
Explanation
Magnetite does not show magnetic properties.
The magnetic properties of a magnet cannot be destroyed by
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hammering
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heating
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dropping on a hard surface
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boiling
Explanation
boiling
Which two ends of a magnet are called magnetic poles?
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North pole
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South pole
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North and south pole
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Self demagnetisation
Explanation
North and south pole
Magnets attract
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wood
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plastic
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paper
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iron
Explanation
iron
South pole of a magnet can be identified by
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Another magnet having its poles marked as North pole and South pole.
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Another magnet no matter whether the poles are marked or not.
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Using an iron bar.
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Using iron filings
Which of the following combination is a non-magnetic material
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plastic, wood, iron
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plastic, leather, clothes
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iron, nickel, cobalt
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leather, iron, nickel
The needle in the Magnetic compass points in the direction
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South
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East
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west
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North-South
What was used by Sailors in older days to identify the direction
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Lode Stone
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Magnetite
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Iron
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Nickel
Which one of the following is incorrect
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Like Poles Repel each other
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Unlike Poles attract each other
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Wooden material can be magnetized
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A compass is used to find direction
A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filling clinging to the
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North pole is almost equal to the south pole.
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North pole is much more than the south pole.
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North pole is much less than the south pole
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Magnet will be same all along its length.
A magnet can be demagnetized by
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by Hammering
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Applying the heat
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Dropping from height
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All the option
A bar magnet is broken into (m) number of pieces, the total number of poles formed are
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m
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m/2
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2m
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4m
The earth acts like a giant
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Bar magnet
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Electromagnet
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Horseshoe Magnet
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None of these
A bar magnet is cut into two pieces from the middle How the poles will be distributed on both the pieces
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(a)
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(b)
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(c)
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(d)
The force of attraction of a magnet is maximum in ?
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Same at all the places
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Maximum at center
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Maximum at poles
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None of these
Four statement are made for the compass (i) The compass is a magnet with the pointer seeking the north pole of the earth. (ii) It is used to find the directions (iii) It is made of magnetic materials (iv)it only works on land, where the earth's magnetic field is strong Which of the following is incorrect
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(i) and (ii)
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(iii) and (iv)
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(i) and (iv)
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(i) ,(ii) and (iv)
Match the column
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p -> i, q -> ii, r -> i, s-> ii
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p -> ii, q -> i, r -> i, s-> ii
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p -> ii, q -> i, r -> ii, s-> i
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p -> i, q -> i, r -> ii, s-> ii
Statements about magnets (i) Natural Magnets was discovered in Greece (ii) It was discovered by shepherd named Magnes (iii) The materials which get attracted towards a magnet are magnetic materials (iii) Rubber is a magnetic Material Which of the following is correct?
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(i) and (ii)
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(i) ,(ii) and (iii)
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(ii) and (iii)
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All are correct
When a magnet is suspended freely it always aligns itself in ________ direction?
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North
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N-S
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N-W
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N-E
_______ is the only natural magnet.
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Magnetite
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Ebonite
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Cobalt
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Nickel
Which is an example of a magnetic substance?
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Iron
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Nickel
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Cobalt
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All of the above
Which of the following cannot be used to make a magnet?
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Cobalt
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Iron
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Ebonite
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Steel
Magnets have a shape
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cylindrical
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ball ended
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horseshoe
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all of these
Which of these is an incorrect statement?
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Magnet has two poles—the south pole and the north pole.
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Poles of magnets cannot be isolated.
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Like poles repel each other and unlike poles attract each other.
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None of these
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