Electromagnetic Waves questions
212 published questions with worked solutions.
- The electric field of a plane electromagnetic wave propagating, along the x direction is vacuum is E =E_0 j ( t-kx). The magnetic...
- If frequency of electromagnetic wave is 60 MHz and it travels in air along z direction then the corresponding electric and...
- A parallel plate capacitor has a capacitance C = 200 pF. It is connected to 230 V ac supply with an angular frequency 300 rad/s....
- Arrange the following in the ascending order of wavelength: (A) Gamma rays (1) (B) x-ray (2) (C) Infrared waves (3) (D)...
- The electric field in an electromagnetic wave is given by E = i ,40 (t - zc ) NC^ -1 . The magnetic field induction of this wave...
- An alternating voltage of amplitude 40 V and frequency 4 kHz is applied directly across the capacitor of 12 μF. The maximum...
- Match List-I with List-II: List-I (EM-Wave): (A) Infra-red (B) Ultraviolet (C) X-rays (D) Gamma rays List-II (Wavelength Range):...
- Electromagnetic waves travel in a medium with speed of 1.5 × 10⁸ ms⁻¹. The relative permeability of the medium is 2.0. The...
- If the magnetic field in a plane electromagnetic wave is given by B =3 10^ -8 (1.6 10^3x+48 10^ 10 t) j T, then what will be...
- In a plane electromagnetic wave, the directions of electric field and magnetic field are represented by k and 2 i -2 j ,...
- In the given electromagnetic wave E_y = 600 sin(ωt − kx) Vm⁻¹, intensity of the associated light beam is (in W/m²): (Given ε₀ = 9...
- A plane electromagnetic wave, has frequency of 2.0 10^ 10 Hz and its energy density is 1.02 10^ -8 J/ m ^3 in vacuum. The...
- The magnetic field of a plane electromagnetic wave is B =3 10^ -8 [200 (y+ct)] i T where c = 3 10^8 m/s is the speed of light....
- Choose the correct option relating wavelengths of different parts of electromagnetic wave spectrum :
- The electric field of a plane electromagnetic wave is given by E =E_0( x + y ) (kz- t). Its magnetic filed will be given by :
- The quantities x= 1 _0 _0 , y= E B and z= 1 CR are defined where C-capacitance, R-Resistance, -length, E-Electric field,...
- The correct match between the entries in column I and column II are : List-I: (a) Microwave (b) Gamma rays (c) A.M. radio waves...
- Suppose that intensity of a laser is ( 315 ) W/ m ^2. The rms electric field, in units of V/m associated with this source is...
- For a plane electromagnetic wave, the magnetic field at a point x and time t is B (x,t)= [1.2 10^ -7 (0.5 10^3x+1.5 10^ 11 t) k...
- The property which is not of an electromagnetic wave travelling in free space is that :
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration