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प्रश्न
Choose the correct option.
The direction of the EM wave is given by
विकल्प
`vec"E"xxvec"B"`
`vec"E".vec"B"`
along `vec"E"`
along `vec"B"`
MCQ
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उत्तर
The direction of the EM wave is given by `vec"E"xxvec"B"`
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अध्याय 13: Electromagnetic Waves and Communication System - Exercises [पृष्ठ २४०]
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संबंधित प्रश्न
Answer briefly.
State two characteristics of an EM wave.
Solve the numerical problem.
The amplitude of the magnetic field part of a harmonic EM wave in a vacuum is B0 = 5 × 10−7 T. What is the amplitude of the electric field part of the wave?
The electric field in a plane electromagnetic wave is given by Ez = 60 cos(5x + 1.5 × 109 t) V/m. Then expression for the corresponding magnetic fields is (here subscripts denote the direction of the field) ______.
The property which is not of an electromagnetic wave travelling in free space is that:
