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For a plane electromagnetic wave, the average of which among the following is zero?
a)Electric field
b)Magnetic field
c)Electric energy
d)Both a and b
The correct answer is option 'd'. Can you explain this answer?
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Most Upvoted Answer
For a plane electromagnetic wave, the average of which among the follo...
Explanation:
Plane Electromagnetic waves are transverse waves which means that the direction of the electric and magnetic fields are perpendicular to the direction of propagation of the wave. The wave consists of oscillating electric and magnetic fields which are perpendicular to each other and perpendicular to the direction of propagation of the wave.
For a plane electromagnetic wave, the average of the electric and magnetic fields is zero. This means that the electric and magnetic fields are equal in magnitude and opposite in direction. This is because the energy associated with the electric field is constantly being converted into magnetic energy and vice versa.
The average of the electric energy and magnetic energy is also zero. This means that the energy associated with the wave is constantly being transferred from the electric field to the magnetic field and vice versa.
Therefore, the correct answer is option 'd' as both the electric and magnetic fields have an average of zero for a plane electromagnetic wave.
Plane Electromagnetic waves are transverse waves which means that the direction of the electric and magnetic fields are perpendicular to the direction of propagation of the wave. The wave consists of oscillating electric and magnetic fields which are perpendicular to each other and perpendicular to the direction of propagation of the wave.
For a plane electromagnetic wave, the average of the electric and magnetic fields is zero. This means that the electric and magnetic fields are equal in magnitude and opposite in direction. This is because the energy associated with the electric field is constantly being converted into magnetic energy and vice versa.
The average of the electric energy and magnetic energy is also zero. This means that the energy associated with the wave is constantly being transferred from the electric field to the magnetic field and vice versa.
Therefore, the correct answer is option 'd' as both the electric and magnetic fields have an average of zero for a plane electromagnetic wave.
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Community Answer
For a plane electromagnetic wave, the average of which among the follo...
For a plane electromagnetic wave both electric field and magnetic field are cyclic (functions of sin and cos). So their average values over one full cycle will be zero.
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For a plane electromagnetic wave, the average of which among the following is zero?a)Electric fieldb)Magnetic fieldc)Electric energyd)Both a and bThe correct answer is option 'd'. Can you explain this answer?
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For a plane electromagnetic wave, the average of which among the following is zero?a)Electric fieldb)Magnetic fieldc)Electric energyd)Both a and bThe correct answer is option 'd'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about For a plane electromagnetic wave, the average of which among the following is zero?a)Electric fieldb)Magnetic fieldc)Electric energyd)Both a and bThe correct answer is option 'd'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a plane electromagnetic wave, the average of which among the following is zero?a)Electric fieldb)Magnetic fieldc)Electric energyd)Both a and bThe correct answer is option 'd'. Can you explain this answer?.
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