Advanced Placement (AP) Middle School

Light from the Sun takes about eight minutes to reach Earth. Why does light from the Sun travel so quickly to Earth?

A.Light waves travel fastest through solids.
B.Light waves travel fastest through gases.
C.Light waves travel fastest through liquids.
D.Light waves travel fastest through a vacuum.

Answers

Answer 1
The answer is c or a because it definitely doesn’t pass through a vacuum the fastest
Answer 2

Light from the Sun takes about eight minutes to reach Earth. Light from the Sun travels so quickly to Earth because Light waves travel fastest through a vacuum. Thus option D is correct.

What is Earth?

Earth is a planet present in the solar system having the existence of life. This is the only planet on which life is possible due to living conditions that ensure the availability of water on it is important for survival.

The direction of light is always straight. It gradually modifies direction when it moves from one medium to another. Light is sensitive to refraction because light moves through various materials at varying speeds.

The vacuum is the medium where light moves the fastest. This is due to the fact that the vacuum has the lowest optical density since there are no obstacles to the transmission of light there.

Therefore, option D is appropriate.

Learn more about Earth, here:

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Related Questions

THISIS A GRADED TEST!!

What type of energy transformation occurs during photosynthesis in plants?

Answers

Cellular respiration
photosynthesis is the process of converting light energy into chemical energy in the form of glucose.

hope this helps:)

This rate of reaction can be measured in the dark by determining the amount of oxygen gas consumed in a period of time?


A: Primary productivity

B: Gross primary productivity

C: Net primary productivity

D: Cellular respiration

Answers

Answer:

D: Cellular respiration

Explanation:

Because we work in a sea of oxygen (air is 20.9% oxygen) it is difficult to measure the small changes in oxygen concentration that occured during respiration. The rate of Cellular Respiration can be measured in the dark by determining the amount of oxygen gas consumed in a period of time.

Hope this helps you out!

Cellular reaction rate could be assessed in the darkness by measuring the oxygen gas consumption over a certain period.  

It operates inside the oxygen maritime area (air is 20.9% oxygen), minor changes in oxygen content during breathing are difficult to measure. The rate of cellular breath can be determined in the dark by calculating the oxygen gas consumed within a time.

Wrong choices can be explained as follows:

In option A, it's wrong because it is the generation by living things of hydrogen gas in organic compounds.In option B, it's wrong because In sugar molecules, during photosynthetic, solar energy is absorbed in the rate.In option C, it's wrong because, during photosynthesis, solar energy is collected and stored.

Therefore, the final answer is "Option d".

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