IIT JEE ADVANCE PAPER 1
JEE(ADVANCED) – 2014
PAPER-1
Code-1
Questions with Answers
PART – 1 PHYSICS
SECTION – 1 (One or More Than One Options Correct Type)
This section contains 10 multiple choice type questions. Each question has four choices (A), (B), (C) and (D) out of which ONE or MORE THAN ONE are correct.
At time ?? = 0, terminal A in the circuit shown in the figure is connected to B by a keyand an
(????), with ??0 = 1Aand ω = 500 rad s-1 starts flowing in it with alternating current ??(??) = ??0 cos
1.
the initial direction shown in the figure. At t =
7??
6??
, the key is switched from B to D. Now
onwards only A and D are connected. A total charge Q flows from the battery to charge the capacitor fully. If C=20µF, R= 10 Ω and the battery is ideal with emf of 50V, identify the correct statement (s).
B
D
A
50 V
C=20 µF
R=10 Ω
(A) Magnitude of the maximum
(B) The current
(C)
7??
charge on the capacitor before ?? = 6?? is 1 × 10−3 C.
7??
in the left part of the circuit just before ?? = 6??is clockwise.
Immediately after A is connected to D, the current in R is 10A.
(D) Q = 2 × 10−3 C.
Answer (C) and (D)
A light source, which emits two wavelengths ??1 = 400 ???? and ??2 = 600 ????, is used in a
Young’s double slit experiment. If recorded fringe widths for ??1 and??2 are??1 and??2 © number of fringes for them within a distance yon one side of the central maximum are m1 and m2, respectively, then
2.
(A)??2 > ??1
(B)??1 > ??2
(C) From
(D)The
the central maximum, 3rdmaximum of λ2 overlaps with 5th minimum of λ1
angular separation of fringes for λ1 is greater than λ2
Answer: (A), (B) and (C)
One end of a taut string of length 3m along the x axis is fixed at x=0.The speed of the waves in the string is 100 ???? −1 . The other end of the string is vibrating in the y direction so that stationary waves are set up in the string. The possible waveform(s) of these stationary waves is(are) 3.
50????
????
cos
3
6
????
100????
(B)??(??) = ?? sin cos
3
3
5????
250????
(C)
PAPER-1
Code-1
Questions with Answers
PART – 1 PHYSICS
SECTION – 1 (One or More Than One Options Correct Type)
This section contains 10 multiple choice type questions. Each question has four choices (A), (B), (C) and (D) out of which ONE or MORE THAN ONE are correct.
At time ?? = 0, terminal A in the circuit shown in the figure is connected to B by a keyand an
(????), with ??0 = 1Aand ω = 500 rad s-1 starts flowing in it with alternating current ??(??) = ??0 cos
1.
the initial direction shown in the figure. At t =
7??
6??
, the key is switched from B to D. Now
onwards only A and D are connected. A total charge Q flows from the battery to charge the capacitor fully. If C=20µF, R= 10 Ω and the battery is ideal with emf of 50V, identify the correct statement (s).
B
D
A
50 V
C=20 µF
R=10 Ω
(A) Magnitude of the maximum
(B) The current
(C)
7??
charge on the capacitor before ?? = 6?? is 1 × 10−3 C.
7??
in the left part of the circuit just before ?? = 6??is clockwise.
Immediately after A is connected to D, the current in R is 10A.
(D) Q = 2 × 10−3 C.
Answer (C) and (D)
A light source, which emits two wavelengths ??1 = 400 ???? and ??2 = 600 ????, is used in a
Young’s double slit experiment. If recorded fringe widths for ??1 and??2 are??1 and??2 © number of fringes for them within a distance yon one side of the central maximum are m1 and m2, respectively, then
2.
(A)??2 > ??1
(B)??1 > ??2
(C) From
(D)The
the central maximum, 3rdmaximum of λ2 overlaps with 5th minimum of λ1
angular separation of fringes for λ1 is greater than λ2
Answer: (A), (B) and (C)
One end of a taut string of length 3m along the x axis is fixed at x=0.The speed of the waves in the string is 100 ???? −1 . The other end of the string is vibrating in the y direction so that stationary waves are set up in the string. The possible waveform(s) of these stationary waves is(are) 3.
50????
????
cos
3
6
????
100????
(B)??(??) = ?? sin cos
3
3
5????
250????
(C)