1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
A diamagnetic material in a magnetic field moves
A
from stronger to the weaker parts of the field
B
from weaker to the stronger parts of the field
C
perpendicular to the field
D
in none of the above directions
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
According to Curie's law, the magnetic susceptibility of a substance at an absolute temperature $$T$$ is proportional to
A
$$1/T$$
B
$$T$$
C
$$1/T$$2
D
$$T$$2
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
A bar magnet is oscillating in the Earth's magnetic field with a period T. What happens to its period and motion if its mass is quadrupled?
A
motion remains simple harmonic with time period = $$T/2$$
B
motion remains S.H.M with time period = 2T
C
motion remains S.H.M with time period = 4T
D
motion remains S.H.M and period remains nearly constant
4
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
We consider the radiation emitted by the human body. Which one of the following statements is true?
A
The radiation emitted is in the infra-red region
B
The radiation emitted only during the day
C
The radiation is emitted during the summers and absorbed during the winters
D
The radiation emitted lies in the ultraviolet region and hence is not visible
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