alleryStart learning →EM waves arise from periodic vibrations of which fields?
AElectric and magnetic
BGravitational and electric
CPressure and density
DNuclear and magnetic
Answer & Solution
Correct answer: A. Electric and magnetic
Oscillating electric and magnetic fields give rise to EM waves, which need no material medium.
Keep practising Sound
Browse all Sound questions for MHT-CET, or explore more Physics topics.
Related questions
Raising the treble control of an amplifier boosts mainly which sounds?The speed of sound in a medium depends mainly on itsIn an adiabatic process there is no transfer ofIn a travelling wave, energy is transferredSitting 165 m from a speaker (sound 330 m/s), you hear a concert after a radio listener 30Which of these media has the highest speed of sound?In the wave equation, k is called theFor y = a sin(kx - wt + phi), the wave travels toward