Electromagnetic Waves questions
212 published questions with worked solutions.
- With respect to electromagnetic waves, the human eye is sensitive to
- The electric field associated with an electromagnetic wave propagating in a dielectric medium is given by E = 30(2 x + y ) [2 (5...
- Identify the correct statements from the following descriptions of various properties of electromagnetic waves. (A) In a plane...
- Given below are two statements: Statement I : A time varying electric field is a source of changing magnetic field and...
- Match List-I with List-II List-I: (a) Ultraviolet rays (b) Microwaves (c) Infrared waves (d) X-rays List-II: (i) Study crystal...
- An EM wave propagating in x-direction has a wavelength of 8 mm. The electric field vibrating y-direction has maximum magnitude of...
- A radar sends an electromagnetic signal of electric field (E_ 0 ) = 2.25 V/m and magnetic field (B_ 0 ) = 1.5 10^ -8 T which...
- The displacement current of 4.425 A is developed in the space between the plates of parallel plate capacitor when voltage is...
- The intensity of the light from a bulb incident on a surface is 0.22 W/m^ 2 . The amplitude of the magnetic field in this...
- For the plane electromagnetic wave given by E = E_0 ( t-kx) and B = B_0 ( t-kx), the ratio of average electric energy density to...
- The amplitude of magnetic field in an electromagnetic wave propagating along y-axis is 6.0 10^ -7 T. The maximum value of...
- A plane electromagnetic wave of frequency 20 MHz propagates in free space along x-direction. At a particular space and time, E =...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: EM waves used...
- In an electromagnetic wave, at an instant and at a particular position, the electric field is along the negative z-axis and...
- Match List-I with List II of Electromagnetic waves with corresponding wavelength range: List I: (A) Microwave (B) Ultraviolet (C)...
- The electric field and magnetic field components of an electromagnetic wave going through vacuum is described by E_x=E_0 (kz- t)...
- Match List I with List II List I: A. AM Broadcast B. FM Broadcast C. Television D. Satellite Communication List II: I. 88-108 MHz...
- In E and K represent electric field and propagation vectors of the EM waves in vacuum, then magnetic field vector is given by: (...
- Match List I with List II List-I: (A) Gauss's Law in Electrostatics (B) Faraday's Law (C) Gauss's Law in Magnetism (D)...
- An electromagnetic wave is transporting energy in the negative z direction. At a certain point and certain time the direction of...
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