Chapter 28 – Electromagnetic Waves
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What is the cause of “Green house effect” ?
12
Aug
What is the cause of “Green house effect” ? What is the cause of "Green house effect" ? August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Which of the following rays are not electromagnetic waves ?
12
Aug
Which of the following rays are not electromagnetic waves ? Which of the following rays are not electromagnetic waves ? August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
If ε0 and μ0 are respectively the electric permittivity and the magnetic permeability of free space and ε and μ the corresponding quantities in a medium, the refractive index of the medium is
12
Aug
If ε0 and μ0 are respectively the electric permittivity and the magnetic permeability of free space and ε and μ the corresponding quantities in a medium, the refractive index of the medium is If ε0 and μ0 are respectively the electric permittivity and the magnetic permeability of free space and ε and μ the corresponding [...]
The electromagnetic radiations are caused by
12
Aug
The electromagnetic radiations are caused by The electromagnetic radiations are caused by August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
In a certain region of space electric field E and magnetic field B are perpendicular to each other and an electron enters region perpendicular to the direction of B and E both and moves undeflected, then velocity of electron is
12
Aug
In a certain region of space electric field E and magnetic field B are perpendicular to each other and an electron enters region perpendicular to the direction of B and E both and moves undeflected, then velocity of electron is In a certain region of space electric field E and magnetic field B are perpendicular [...]
The velocity of electromagnetic wave is along the direction of
12
Aug
The velocity of electromagnetic wave is along the direction of The velocity of electromagnetic wave is along the direction of August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Which of the following is the longest wave ?
12
Aug
Which of the following is the longest wave ? Which of the following is the longest wave ? August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The structure of solids is investigated by using
12
Aug
The structure of solids is investigated by using The structure of solids is investigated by using August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A signal emitted by an antenna from a certain point can be received at another point of the surface in the form of
12
Aug
A signal emitted by an antenna from a certain point can be received at another point of the surface in the form of A signal emitted by an antenna from a certain point can be received at another point of the surface in the form of August 12, 2020 Category: Chapter 28 - Electromagnetic Waves [...]
Which of the following has minimum wave length ?
12
Aug
Which of the following has minimum wave length ? Which of the following has minimum wave length ? August 12, 2020 Category: Chapter 28 - Electromagnetic Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,