1
JEE Advanced 2014 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
JEE Advanced 2014 Paper 1 Offline Physics - Geometrical Optics Question 29 English
A transparent thin film of uniform thickness and refractive index n1 = 1.4 is coated on the convex spherical surface of radius R at one end of a long solid glass cylinder of refractive index n2 = 1.5, as shown in the figure. Rays of light parallel to the axis of the cylinder traversing through the film from air to glass get focused at distance f1 from the film, while rays of light traversing from glass to air get focused at distance f2 from the film. Then
A
$$\left| {{f_1}} \right| = 3R$$
B
$$\left| {{f_1}} \right| = 2.8R$$
C
$$\left| {{f_2}} \right| = 2R$$
D
$$\left| {{f_2}} \right| = 1.4R$$
2
JEE Advanced 2014 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Two ideal batteries of emf V1 and V2 and three resistances R1, R2 and R3 are connected as shown in the figure. The current in resistance R2 would be zero if

JEE Advanced 2014 Paper 1 Offline Physics - Current Electricity Question 18 English
A
V1 = V2 and R1 = R2 = R3
B
V1 = V2 and R1 = 2R2 = R3
C
V1 = 2V2 and 2R1 = 2R2 = R3
D
2V1 = V2 and 2R1 = R2 = R3
3
JEE Advanced 2014 Paper 1 Offline
Numerical
+3
-0
A uniform circular disc of mass 1.5 kg and radius 0.5 m is initially at rest on a horizontal frictionless surface. Three forces of equal magnitude F = 0.5 N are applied simultaneously along the three sides of an equilateral triangle XYZ with its vertices on the perimeter of the disc (see figure). One second after applying the forces, the angular speed of the disc in rad s-1 is

JEE Advanced 2014 Paper 1 Offline Physics - Rotational Motion Question 27 English
Your input ____
4
JEE Advanced 2014 Paper 1 Offline
Numerical
+3
-0
Two parallel wires in the plane of the paper are distance X0 apart. A point charge is moving with speed u between the wires in the same plane at a distance X1 from one of the wires. When the wires carry current of magnitude I in the same direction, the radius of curvature of the path of the point charge is R1. In contrast, if the currents I in the two wires have directions opposite to each other, the radius of curvature of the path is R2. If $${{{X_0}} \over {{X_1}}} = 3$$, and value of R1/R2 is
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