Chapter 28 – Electromagnetic Waves
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For a transparent medium, relative permeability and permittivity are 1.0 and 1.44 respectively. The velocity of light in this medium would be
20
Aug
For a transparent medium, relative permeability and permittivity are 1.0 and 1.44 respectively. The velocity of light in this medium would be For a transparent medium relative permeability and permittivity are 1.0 and 1.44 respectively. The velocity of light in this medium would be August 20, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET [...]
The velocity of electromagnetic radiation in a medium of permittivity ϵ0 and permeability μ0 is given by
20
Aug
The velocity of electromagnetic radiation in a medium of permittivity ϵ0 and permeability μ0 is given by The velocity of electromagnetic radiation in a medium of permittivity ϵ0 and permeability μ0 is given by August 20, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry [...]
The electric field part of an electromagnetic wave in an medium is represented by Ex = 0, Ey = 2.5 (N/C) cos [(2π × 10^6 rad/m) t − (π × 10^ − 2 rad/s) x ]; Ez = 0. The wave is
20
Aug
The electric field part of an electromagnetic wave in an medium is represented by Ex = 0, Ey = 2.5 (N/C) cos [(2π × 10^6 rad/m) t − (π × 10^ − 2 rad/s) x ]; Ez = 0. The wave is Ey=2.5 (N/C) cos[(2π×10^6 rad/m)t−(π×10^−2 rad/s)x]; Ez = 0. The wave is The electric [...]
An em wave is propagating in a medium with a velocity V = Vi^. The instantaneous oscillating electric field of this em wave is along +y axis. Then the direction of oscillating magnetic field of the em wave will be along
20
Aug
An em wave is propagating in a medium with a velocity V = Vi^. The instantaneous oscillating electric field of this em wave is along +y axis. Then the direction of oscillating magnetic field of the em wave will be along associated with an electromagnetic wave can be represented by propagating about the +z axis [...]
The electric and the magnetic field, associated with an electromagnetic wave, propagating about the +z axis, can be represented by
20
Aug
The electric and the magnetic field, associated with an electromagnetic wave, propagating about the +z axis, can be represented by associated with an electromagnetic wave can be represented by propagating about the +z axis The electric and the magnetic field August 20, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved [...]
The electric field associated with an electromagnetic wave in vacuum is given by E = i (cap) 40 cos (kz − 6 × 10^8t), where E, z and t are in volt per meter, meter and second respectively. The value of wave vector k is
20
Aug
The electric field associated with an electromagnetic wave in vacuum is given by E = i (cap) 40 cos (kz − 6 × 10^8t), where E, z and t are in volt per meter, meter and second respectively. The value of wave vector k is meter and second respectively. The value of wave vector k [...]
Out of the following options which one can be used to produce a propagating electromagnetic wave ?
20
Aug
Out of the following options which one can be used to produce a propagating electromagnetic wave ? Out of the following options which one can be used to produce a propagating electromagnetic wave ? August 20, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry [...]
In an electromagnetic wave in free space the root mean square value of the electric field is Erms = 6V/m. The peak value of the magnetic field is
20
Aug
In an electromagnetic wave in free space the root mean square value of the electric field is Erms = 6V/m. The peak value of the magnetic field is In an electromagnetic wave in free space the root mean square value of the electric field is Erms = 6V/m. The peak value of the magnetic field [...]
Ozone layer blocks the radiations of wave length
12
Aug
Ozone layer blocks the radiations of wave length Ozone layer blocks the radiations of wave length August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The frequency of γ – rays, X – rays and ultraviolet rays are a, b and c respectively. Then,
12
Aug
The frequency of γ – rays, X – rays and ultraviolet rays are a, b and c respectively. Then, b and c respectively. Then The frequency of γ - rays X - rays and ultraviolet rays are a August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - [...]