Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Electromagnetic Waves question

2023 · 31 Jan · Shift 2 · Q50
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Electromagnetic Waves
  5. /2023 · 31 Jan · Shift 2 · Q50

Electromagnetic Waves question

2023 · 31 Jan · Shift 2 · Q50

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1
Match List I with List II

LIST I LIST II
A. Microwaves I. Physiotherapy
B. UV rays II. Treatment of cancer
C. Infra-red light III. Lasik eye surgery
D. X-ray IV. Aircraft navigation

Choose the correct answer from the options given below:
  1. A
    A - IV, B - III, C - I, D - II
  2. B
    A - II, B - IV, C - III, D - I
  3. C
    A - III, B - II, C - I, D - IV
  4. D
    A - IV, B - I, C - II, D - III
PreviousNext

More from Electromagnetic Waves

  • A plane electromagnetic wave travels in a medium of relative permeability 1.61 and relative permittivity 6.44. If magnitude of magnetic intensity is 4.5 × 10 − 2 Am − 1 at a point, what will be the approximate magnitude of…2022 · MCQ
  • An electric bulb is rated as 200 W. What will be the peak magnetic field at 4 m distance produced by the radiations coming from this bulb? Consider this bulb as a point source with 3.5% efficiency.2022 · MCQ
  • The rms value of conduction current in a parallel plate capacitor is 6.9μA. The capacity of this capacitor, if it is connected to 230 V ac supply with an angular frequency of 600rad/s,…2022 · MCQ
  • Light wave travelling in air along x-direction is given by Ey​=540sinπ×104(x−ct)Vm−1. Then, the peak value of magnetic field of wave will be (Given c = 3 × 108 ms − 1)2022 · MCQ
  • The electric field in an electromagnetic wave is given by E = 56.5 sin ω(t − x/c) NC − 1. Find the intensity of the wave if it is propagating along x-axis in the free space. (Given : ε 0 = 8.85 × 10 − 12C2N −…2022 · MCQ
  • The electromagnetic waves travel in a medium at a speed of 2.0 × 108 m/s. The relative permeability of the medium is 1.0. The relative permittivity of the medium will be :2022 · MCQ
  • The magnetic field of a plane electromagnetic wave is given by : B=2×10−8sin(0.5×103x+1.5×1011t)j^​ T. The amplitude of the electric…2022 · MCQ
  • The oscillating magnetic field in a plane electromagnetic wave is given by By​=5×10−6sin1000π(5x−4×108t)T. The amplitude of electric field will be :2022 · MCQ