What is one way that light waves differ from sound waves?(1 point)
Responses
a) Light waves do not require a medium to propagate.
Light waves do not require a medium to propagate.
b) Light waves transfer energy.
Light waves transfer energy.
c) Light waves travel by oscillation.
Light waves travel by oscillation.
d) Light waves all have the same frequency.
d) Light waves all have the same frequency is incorrect. Light waves do not all have the same frequency; they can have different frequencies, which determines their color.
(a)
d) Light waves all have the same frequency.
The correct answer is:
a) Light waves do not require a medium to propagate.
Explanation:
One way that light waves differ from sound waves is that light waves do not require a medium to propagate, while sound waves do. This means that light waves can travel through a vacuum, such as in outer space, while sound waves require a medium, such as air or water, to travel through. Light waves can travel through gases, liquids, and solids as well, but they can also travel through empty space. This is because light waves are electromagnetic waves, composed of oscillating electric and magnetic fields, while sound waves are mechanical waves that require particles in a medium to transmit vibrations.