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Both waves travel at same speed in vacuum.

Explanation:

Infrared waves and ultraviolet waves both have different wavelengths.

Energy is dependent upon wavelength:

where,

E = Energy

h = Plank's Constant

c = speed of light

λ = wavelength

Hence different wavelength means different energies.

The frequency is dependent upon the wavelength through the formula:

v = fλ

where,

v = speed of the wave

f = frequency of the wave

λ = wavelength

Hence, different wavelength requires different frequency, while the speed remains same, which is equal to the speed of light for electromagnetic radiations.

Therefore, the correct option is:

Both waves travel at same speed in vacuum.

2b2t

explanation:

2b2t

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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