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Previous Year Questions

PYQ Bank & Paper Generator

Board, class, subject, chapter, year-wise PYQ. Practice effectively and ace your board exams.

8,092 Questions
CBSE
#1 Class 12 Physics Magnetism and Matter 2020 Short 2M
State two characteristic properties distinguishing the behaviour of paramagnetic and diamagnetic materials.
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CBSE
#2 Class 12 Physics Magnetism and Matter 2019 Short 2M
Why does a magnetic dipole possess potential energy when placed at some inclination with the direction of the magnetic field?
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CBSE
#3 Class 12 Physics Magnetism and Matter 2018 Short 2M
Why cannot two magnetic field lines due to a bar magnet cross each other?
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CBSE
#4 Class 12 Physics Magnetism and Matter 2019 Short 1M
The permeability of a magnetic material is 0.9983. Name the type of magnetic material it represents.
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CBSE
#5 Class 12 Physics Magnetism and Matter 2023 Long 1M
Assertion: A paramagnetic sample displays greater magnetisation (for the same magnetic field) when cooled. Reason: The magnetisation does not depend on temperature.
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CBSE
#6 Class 12 Physics Magnetism and Matter 2022 Long 1M
Assertion: Diamagnetic materials can exhibit magnetism. Reason: Diamagnetic materials have permanent magnetic dipole moment.
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CBSE
#7 Class 12 Physics Magnetism and Matter 2021 Mcq 1M
The relative magnetic permeability of substance X is slightly less than unity and that of substance Y is slightly more than unity. Then
A. X is paramagnetic and Y is ferromagnetic
B. X is diamagnetic and Y is ferromagnetic
C. X and Y both are paramagnetic
D. X is diamagnetic and Y is paramagnetic
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CBSE
#8 Class 12 Physics Magnetism and Matter 2020 Short 1M
If $\chi_{m1}$ and $\chi_{m2}$ are the susceptibilities of a diamagnetic substance at temperatures $T_1$ and $T_2$ respectively, what is the relation between them?
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CBSE
#9 Class 12 Physics Magnetism and Matter 2019 Mcq 1M
Substances which are strongly attracted by a magnetic field and move from weaker to stronger regions of the field are termed as
A. diamagnetic substances
B. paramagnetic substances
C. ferromagnetic substances
D. non-magnetic substances
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CBSE
#10 Class 12 Physics Magnetism and Matter 2018 Mcq 1M
Domain formation is a necessary feature of
A. diamagnetism
B. paramagnetism
C. ferromagnetism
D. all of these
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CBSE
#11 Class 12 Physics Magnetism and Matter 2021 Mcq 1M
A frog can be levitated in a magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behaves as
A. paramagnetic
B. diamagnetic
C. ferromagnetic
D. anti-ferromagnetic
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CBSE
#12 Class 12 Physics Magnetism and Matter 2020 Mcq 1M
The magnetic susceptibility does NOT depend upon temperature in
A. ferrite substances
B. ferromagnetic substances
C. diamagnetic substances
D. paramagnetic substances
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CBSE
#13 Class 12 Physics Magnetism and Matter 2019 Mcq 1M
A diamagnetic material in a magnetic field moves
A. from weaker to stronger parts of the field
B. perpendicular to the field
C. from stronger to weaker parts of the field
D. none of the above
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CBSE
#14 Class 12 Physics Magnetism and Matter 2018 Mcq 1M
Liquid oxygen remains suspended between two poles of a magnet because it is
A. diamagnetic
B. paramagnetic
C. ferromagnetic
D. anti-ferromagnetic
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CBSE
#15 Class 12 Physics Magnetism and Matter 2019 Mcq 1M
Metals getting magnetised by orientation of atomic magnetic moments in an external magnetic field are called
A. diamagnetics
B. paramagnetics
C. ferromagnetics
D. anti-magnetics
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CBSE
#16 Class 12 Physics Magnetism and Matter 2021 Mcq 1M
If a bar magnet is dropped into an infinitely long vertical copper tube, the magnet will
A. move with increasing velocity and acceleration
B. move with increasing velocity but constant acceleration
C. decelerate and come to rest
D. accelerate and ultimately acquire a constant terminal velocity
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CBSE
#17 Class 12 Physics Magnetism and Matter 2020 Mcq 1M
Which of the following is an example of a diamagnetic substance?
A. copper
B. nickel
C. aluminium
D. iron
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CBSE
#18 Class 12 Physics Magnetism and Matter 2019 Mcq 1M
The magnetic field at a distance $r$ from a short bar magnet is directly proportional to
A. $r^2$
B. $r^{-3}$
C. $r^{2/3}$
D. $r^4$
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CBSE
#19 Class 12 Physics Magnetism and Matter 2018 Mcq 1M
If a material placed in a magnetic field is thrown out of it, then the material is
A. diamagnetic
B. paramagnetic
C. ferromagnetic
D. non-magnetic
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CBSE
#20 Class 12 Physics Magnetism and Matter 2020 Mcq 1M
When the intensity of the magnetic field is increased four times, the time period of a suspended magnetic needle becomes
A. double
B. half
C. four times
D. one-fourth
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