1
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
A current loop $$ABCD$$ is held fixed on the plane of the paper as shown in the figure. The arcs $$BC$$ (radius $$= b$$) and $$DA$$ (radius $$=a$$) of the loop are joined by two straight wires $$AB$$ and $$CD$$. A steady current $$I$$ is flowing in the loop. Angle made by $$AB$$ and $$CD$$ at the origin $$O$$ is $${30^ \circ }.$$ Another straight thin wire steady current $${I_1}$$ flowing out of the plane of the paper is kept at the origin.
![AIEEE 2009 Physics - Magnetic Effect of Current Question 172 English](https://imagex.cdn.examgoal.net/qB0iYGtiD7LY2zmJl/7wpw9gqkKpyBGkBnynlb8vc48209U/4DpjyBtaDwjPdTggxWgpPJ/image.png)
Due to the presence of the current $${I_1}$$ at the origin:
2
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
A mixture of light, consisting of wavelength $$590$$ $$nm$$ and an unknown wavelength, illuminates Young's double slit and gives rise to two overlapping interference patterns on the screen. The central maximum of both lights coincide. Further, it is observed that the third bright fringe of known light coincides with the $$4$$th bright fringe of the unknown light. From this data, the wavelength of the unknown light is :
3
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
In an optics experiment, with the position of the object fixed, a student varies the position of a convex lens and for each position, the screen is adjusted to get a clear image of the object. A graph between the object distance $$u$$ and the image distance $$v,$$ from the lens, is plotted using the same scale for the two axes. A straight line passing through the origin and making an angle of $${45^ \circ }$$ with the $$x$$-axis meets the experimental curve at $$P.$$ The coordinates of $$P$$ will be :
4
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
An inductor of inductance $$L=400$$ $$mH$$ and resistors of resistance $${R_1} = 2\Omega $$ and $${R_2} = 2\Omega $$ are connected to a battery of $$emf$$ $$12$$ $$V$$ as shown in the figure. The internal resistance of the battery is negligible. The switch $$S$$ is closed at $$t=0.$$ The potential drop across $$L$$ as a function of time is :
![AIEEE 2009 Physics - Alternating Current Question 154 English](https://imagex.cdn.examgoal.net/IGJGcmXziV76bLghV/xPkVZPoV2xVpMy6p6SBshm5IZf3Zf/KdVUUEjhjCjDJi4MF012hn/image.png)
Paper analysis
Total Questions
Chemistry
25
Mathematics
22
Physics
29
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