Question

Sunlight is composed of energy that is visible to humans and energy that is not visible to humans. Which statement describes how the visible energy from the Sun is different from the nonvisible energy?
A. It travels at a different speed.
B. It travels a different distance.
C. It has different wavelengths.
D. It has different amplitudes,
HELP PLEASEEEE​

Answer 1

Answer:

A

both forms of energy referred to in the question is light and heat energy

light energy is the visible energy that travels at a known constant speed of 3.0×10^9m/s

while heat energy is the invisible energy that travels in form of radiation at variable speeds

Answer 2

The energy of the sunlight that is visible to the humans is the light energy, while the UV energy is not visible to the humans, due to difference in the wavelength.

What is energy?

The energy can be described as the direct relation with the frequency of the radiations, and the inverse relation with the wavelength.

The energy can be computed as:

$\rm Energy=\dfrac{Plank's\;constant\;\times\;Frequency}{Wavelength}$

The wavelength of the energy radiation falls from 380-700 nm are visible to the humans. The heat energy have the high energy and the lower wavelength that made the UV radiations invisible to the humans.

The light have the lower energy than UV radiations, and thus have lager wavelength that made it visible to the humans.

Thus, the sunlight's visible and non-visible parts have difference in the wavelength. Hence, option C is correct.

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