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Dual Nature of Matter — JEE Main Physics MCQs with Solutions
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Sample questions with solutions
Q1 — medium · theory
Match List-I with List-II :- 24-5. Match List I with List II
A. (A)-(II), (B)-(I), (C)-(IV), (D)-(III) ✓ Correct
B. (A)-(III), (B)-(II), (C)-(IV), (D)-(I)
C. (A)-(IV), (B)-(III), (C)-(II), (D)-(I) Chose the correct answer from the options
D. (A)-(I), (B)-(III), (C)-(II), (D)-(IV) given below [JEE-Main_290124_{S1}]
Q2 — medium · theory
(2) (E K)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q3 — medium · theory
(3) –0.8sin(kz – t) aˆy – 1.2sin(kz – t) aˆ x
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q4 — medium · theory
[JEE MAIN_270622_{S2}]
A. 28.5×10–13 J (2) 17.7×10–13 J (3) Statement II : In a material medium. The EM ✓ Correct
B. at 45º angle from positive y-axis (1) Both statement I and statement II are true.
C. negative y-axis (2)Both statement I and statement II are false.
D. positive z-axis (3) Statement I is correct but statement II is
Q5 — medium · theory
(2) 24-2. (4) 24-3. (4) 24-4. (4) 24-5. (3) 24-6. (2) 24-7. (2)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q6 — medium · theory
Infrared is the least energetic thus having c 3108 5m
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q7 — medium · theory
An alternating voltage of amplitude 40 V and (1) A-IV, B-I, C-III, D-II (2) A-II, B-III, C-I, D-IV
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q8 — medium · theory
Statement I: Electromagnetic waves carry
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q9 — medium · theory
For an electromagnetic wave travelling in free 20-1. The electric field of a plane electromagnetic
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q10 — medium · theory
(1) 21-3. (4) 21-4. (3) 21-5. (3) 20-1. (1) 20-2. (1) 20-3. (3)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q11 — medium · theory
f 60 106
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q12 — medium · theory
20-2.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q13 — medium · theory
23-1.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q14 — medium · numerical
R R XL = XC = 2R
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q15 — medium · theory
frequency 4kHz is applied directly across the (3) A-IV, B-III, C-I, D-II (4) A-I, B-II, C-III, D-IV
A. 13 A (2) 8 A (3) 10 A (4) 12 A [JEE-Main_300124_{S1}] ✓ Correct
B. B E0 Cos(t kz)ˆ
C. 1.38������A and 1.38������A (2) 14.3������A and 143������A (4) cos(t kz) ˆj
D. 13.8������A and 138������A (4)13.8������A and 13.8������A If the total energy transferred to a surface in
Q16 — medium · theory
energy in the negative z direction. At a certain
A. Positive direction of z ✓ Correct
B. Negative direction of y
C. Statement I is incorrect but Statement II is and the magnetic field in electromagnetic
D. Both Statement I and Statement II are
Q17 — medium · theory
space, the relation between average energy 20-3. wave is given by E0 ˆi ˆj cos(kz t)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q18 — medium · theory
(3) 20-5. (3) 22-5. 43 22-6. 8 21-6. 667 21-7. 2 21-8. 500
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q19 — medium · theory
most energetic thus having smallest 23-2. C E0
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q20 — medium · numerical
XL = 2fL 1 1
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q21 — medium · theory
20-4. E 2
A. Ue = Um (2) Ue > Um point (x, y, z) = 0,0, k If its instantaneous ✓ Correct
B. Ue < Um (4) Ue Um velocity at (t = 0) is v0kˆ , the force acting on it
C. Antiparallel to ˆi ˆj (2) Zero
D. 1.28 × 10–18 N (2) 1.28 × 10–21 N wave is 3 108 sin200(y ct)ˆiT
Q22 — medium · theory
For a plane electromagnetic wave, the 21-6. ELECTROMAGNETIC WAVE
A. t) [36 sin(1 103 x 1.5 1011 t )ˆi ] V ✓ Correct
B. [36 sin(0.5 103 x 1.5 1011t)kˆ ] V The energy contained in a cylinder of volume
C. t) [36 sin(0.5 103 x 1.5 1011 t)ˆj] V
D. [36 sin(1 103 x 0.5 1011t)ˆj] V
Q23 — medium · theory
The intensity of the light from a bulb incident
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q24 — medium · theory
wavelength (������). 23-3.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q25 — medium · numerical
XL = L = 2 × 50 × 10–1 = 10 V0 sin 2ft 10x 80 0 V0 (2 f) cos 2 ft
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q26 — medium · theory
The electric field in an electromagnetic wave ELECTROMAGNETIC WAVE
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q27 — medium · theory
(3) 23-7. (2) 22-1. (1) 22-2. (3) 22-3. (3) 22-4. (3) 21-1. (1)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q28 — medium · theory
Displacement current is same as conduction 23-4. Magnetic field vector will be in the direction of
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q29 — medium · theory
1 L R
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q30 — medium · theory
23-5.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D