GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
Two like poles of magnets always ________________
Repel each other
Attract each other
Sometimes repel somtimes attract each other
Cann't say
2
A magnetic compass is a device that is used to show ___________________
Time
Mass
Temperature
Direction
3
The substances that are not attracted by the magnet are called __________________ substances.
Non-magnetic
Magnetic
Metallic
None of these
4
When a very thin bar magnet balanced on a vertical needle is free to move in a horizontal plane it aligns itself in the _________________ direction.
North-North
North-South
South-South
East-North
5
____________________ are always stored in pairs with their unlike poles on the same side. They must be separated by a piece of wood.
Bar magnet
Horseshoe shaped magnet
Temporary magnet
None of these .
6
How can a magnet loose its magnetism ?
Dropping from a height.
Hitting with a hammer
Improper storage can also cause loss of magnetic properties
All of these
7
The north pole of Earth acting as a bar magnet is near the geographic ______________ pole.
South
West
East
North
8
The region of a magnet having stronger magnetism is called the _______________ of a magnet.
Edge
Pole
End
9
Magnetism was first discovered by a shepherd named ________________, who lived in Megnesia, Greece.
Megnes
Magnets
10
Which of the following are correct :
(a) The magnetic compass is an instrument used to find directions.
(b) The needle of the magnetic compass is made up of metal (Iron).
Only (a) is correct.
Only (b) is correct.
Both (a) and (b) are correct.
None of these.
11
Which of the following are correct ?
(a) An instrument with a magnet that is used to find directions is called magnetic compass.
(b) The south pole of this bar magnet is near the geographic north pole and the north pole of this bar magnet is near the geographic south pole.
12
Common uses of magnets are based on simple magnetic____________ as in the case of magnetic refrigerator latches.
Attraction
Repulsion
Both (a) and (b)
13
(a) The south pole of one magnet repels the north pole of another magnet
(b) A freely suspended magnet always rests pointing in north south direction. This property of a magnet is called its directive property.
(c) The south pole of one magnet repels the south pole of another magnet
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
14
The leading scientist of 19th century ________________ in 1820, discovered that a compass needle got deflected when a metallic conductor carrying current is placed nearby it.
Hans Christian Oersted
Henri Becuquerel
James Watt
Georg Ohm
15
Magnetite is made up mainly of a chemical called_______________.
Oxides
Iron oxide.
Metal oxides