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The graph represents the absorption spectrum of chlorophyll The graph indicates that the energy used in photosynthesis is most likely obtained from which regions of the spectrum?

The graph suggests that chlorophyll absorbs light most efficiently in the blue and red regions of the spectrum. This is because chlorophyll molecules absorb light most strongly in these regions, which corresponds to the wavelengths most useful for photosynthesis.


Do red stars have higher surface temperatures than blue stars?

No. Red stars have the lowest surface temperatures while blue stars have the highest.


What is brighter red or blue?

Red is generally considered brighter than blue because it has a higher intensity and longer wavelength. This makes red light more noticeable to the human eye compared to blue light.


Why are blue stars hotter than red stars?

It's because of the temperature of the star. The temperature defines the colour of the star. A red star is cooler than a blue one. Imagine heating an iron rod. It will start off black, then red, then orange, then yellow and if you continue heating it, it will turn white. If you could heat it a lot more it would turn blue.


Which color of light has more energy blue or red?

Blue light has more energy.Using the formula:photon energy (E) = Planck constant (h) * frequency (ƒ) Blue has a higher frequency than red. Since h is constant, E increases as ƒ increases.Using the formula:photon energy (E) = Planck constant (h) * speed of light (c) / wavelength (λ)Blue has a shorter wavelength than red. Since h and care considered constant, E increases as λ decreases.