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AIEEE Physics (2003)

AIEEE Physics (2003)
Created by Quizmagic Team on Jan 09, 2013 06:53 PM
There are 25 questions of AIEEE Physics 2003 examination. Take this sample test of previous year of Physics to check your preparation for All India Engineering Entrance Examination.
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02:06
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00:29
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30
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Questions
25
Minutes
15
High Score
33
01:12
Quiz Played
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Sample Questions

Question 1
A thin rectangular magnet suspended freely has a period of oscillation equal to T. Now it is broken into two equal halves (each having half of the original length) and one piece is made to oscillate freely in the same field. If its period of oscillation is T′, the ratio T′/T is
2
41276
41278
1/2√2
Question 2
A magnetic needle lying parallel to a magnetic field requires W units of work to turn it through 600. The torque needed to maintain the needle in this position will be
W
√3 W
√3/2 W
2W
Question 3
The magnetic lines of force inside a bar magnet
are from south-pole to north-pole of the magnet
are from north-pole to south-pole of the magnet
do not exist
depend upon the area of cross-section of the bar magnet
Question 4
Curie temperature is the temperature above which
a paramagnetic material becomes diamagnetic
a paramagnetic material becomes ferromagnetic
a ferromagnetic material becomes diamagnetic
a ferromagnetic material becomes paramagnetic
Question 5
A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring reads 49N, when the lift is stationary. If the lift moves downward with an acceleration of 5m/s2, the reading of the spring balance will be
74 N
15 N
24 N
49 N
Question 6
A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of
each of these decreases
copper strip decreases and that of germanium increases
each of these increases
copper strip increases and that of germanium decreases
Question 7
Consider telecommunication through optical fibres. Which of the following statements is not true?
Optical fibres may have homogeneous core with a suitable cladding
Optical fibres are subjective to electromagnetic interference from outside
Optical fibres can be of graded refractive index
Optical fibres have extremely low transmission loss
Question 8
The negative Zn pole of a Daniell cell, sending a constant current through a circuit, decreases in mass by 0.13 g in 30 minutes. If the electrochemical equivalent of Zn and Cu are 32.5 and 31.5 respectively, the increase in the mass of the positive Cu pole in this time is
0.141 g
0.242 g
0.180 g
0.126 g
Question 9
Dimension of 1/µ0ε0, where symbols have their usual meaning, are
[LT-1]
[L-2 T2]
[L-1T]
[L2 T-2]
Question 10
A circular disc X of radius R is made from an iron plate of thickness t, and another disc Y of radius 4R is made from an iron plate of thickness t/4. Then the relation between the moment of inertia IX and IY is
IY =  IX
IY = 64 IX
IY = 16 IX
IY = 32 IX
X
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