1
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

A light ray travelling in glass medium is incident on glass-air interface at an angle of incidence $$\theta$$. The reflected (R) and transmitted (T) intensities, both as function of $$\theta$$, are plotted. The correct sketch is

A
IIT-JEE 2011 Paper 2 Offline Physics - Wave Optics Question 8 English Option 1
B
IIT-JEE 2011 Paper 2 Offline Physics - Wave Optics Question 8 English Option 2
C
IIT-JEE 2011 Paper 2 Offline Physics - Wave Optics Question 8 English Option 3
D
IIT-JEE 2011 Paper 2 Offline Physics - Wave Optics Question 8 English Option 4
2
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

A long insulated copper wire is closely wound as a spiral of N turns. The spiral has inner radius a and outer radius b. The spiral lies in the xy-plane and a steady current I flows through the wire. The z-component of the magnetic field at the centre of the spiral is

IIT-JEE 2011 Paper 2 Offline Physics - Magnetism Question 15 English

A
$${{{\mu _0}NI} \over {2(b - a)}}\ln \left( {{b \over a}} \right)$$
B
$${{{\mu _0}NI} \over {2(b - a)}}\ln \left( {{{b + a} \over {b - a}}} \right)$$
C
$${{{\mu _0}NI} \over {2b}}\ln \left( {{b \over a}} \right)$$
D
$${{{\mu _0}NI} \over {2b}}\ln \left( {{{b + a} \over {b - a}}} \right)$$
3
IIT-JEE 2011 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

Two solid spheres A and B of equal volumes but of different densities dA and dB are connected by a string. They are fully immersed in a fluid of density dF. They get arranged into an equilibrium state as shown in the figure with a tension in the string. The arrangement is possible only if

IIT-JEE 2011 Paper 2 Offline Physics - Properties of Matter Question 15 English

A
dA < dF
B
dB > dF
C
dA > dF
D
dA + dB = 2dF
4
IIT-JEE 2011 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

A thin ring of mass 2 kg and radius 0.5 m is rolling without on a horizontal plane with velocity 1 m/s. A small ball of mass 0.1 kg, moving with velocity 20 m/s in the opposite direction hits the ring at a height of 0.75 m and goes vertically up with velocity 10 m/s. Immediately after the collision,

IIT-JEE 2011 Paper 2 Offline Physics - Work Power & Energy Question 6 English

A
the ring has pure rotation about its stationary CM.
B
the ring comes to a complete stop.
C
friction between the ring and the ground is to the left.
D
there is no friction between the ring and the ground.
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