Answer:
Correct answer is 2B
Explanation:
The electric field magnitude and magnetic field magnitude in an electromagnetic waves are related as under

where 'c' is velocity of light in the medium of transmission
According to the given question if we double the electric field we have

Thus the magnetic field also doubles
AnswerNo
However, the acceleration is the opposite of the movement:
Explanation:
I would say vibrations, but is there choices?
Boyle’s Law states that volume increases with temperature