NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions
Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions
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 [...]
A 100 ohm resistance and a capacitor of 100 ohm reactance are connected in series across a 220V source. When the capacitor is 50% charged the peak value of displacement current is
20
Aug
A 100 ohm resistance and a capacitor of 100 ohm reactance are connected in series across a 220V source. When the capacitor is 50% charged the peak value of displacement current is A 100 ohm resistance and a capacitor of 100 ohm reactance are connected in series across a 220V source. When the capacitor is [...]
A cycle wheel of radius 0.5 m is rotated with constant velocity of 10 rad/sec in a region of magnetic field of 0.1 T which is perpendicular to the plane of the wheel. The EMF generated between its centre and the rim is
20
Aug
A cycle wheel of radius 0.5 m is rotated with constant velocity of 10 rad/sec in a region of magnetic field of 0.1 T which is perpendicular to the plane of the wheel. The EMF generated between its centre and the rim is A resistance 'R' draws power 'P' when connected to an AC source. [...]
A resistance ‘R’ draws power ‘P’ when connected to an AC source. If an inductance is now placed in series with the resistance, such that the impedance of the circuit becomes ‘Z’, the power drawn will be
20
Aug
A resistance ‘R’ draws power ‘P’ when connected to an AC source. If an inductance is now placed in series with the resistance, such that the impedance of the circuit becomes ‘Z’, the power drawn will be A resistance 'R' draws power 'P' when connected to an AC source. If an inductance is now placed [...]