how does a pigment affect light?

Q: Why is the foam of root beer white, while the beverage is dark brown?

A: In the case of foam, it is composed of tiny bubbles of very thin layers; therefore; the scattering…

Q: explain how color is encoded?

A: Resistors are usually very tiny, and it is challenging to print resistance values on them. So, color…

Q: Desmond is wearing a purple shirt to school. Which colors are being absorbed by the shirt to make it…

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Q: What do the various colors displayed in the flame of burning log represent?

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Q: What color do purple and red make?

A: According to the traditional color theory, there are three primary colors that are, red, yellow, and…

Q: Why is the color of the clear sky is blue?

A:

Q: Why do we prefer a convex mirror as a rear-view mirror in vehicles?

A: Due to the inevitable use in vehicles convex mirrors are known as rear view mirrors. Convex…

Q: Why do soap bubbles show glints of random colors?

A: The white light consists of all the colors and when it falls on soap bubble which can be considered…

Q: How does a spectrophotometer allow identification of the pigment solutions

A: A spectrophotometer is an instrument that measures the intensity of light relative to the…

Q: What is left reversal image?

A: Given:  Left reversal image

Q: Fire engines used to be red, Yellow-green is now the preferred color. Why the change?

A: Given:  Fire engines

Q: What would Young have seen if light did not exhibit any wave characteristics?

A: We are given to consider that light does not have wave characteristics

Q: does a hot transparent gas emit every color of the rainbow

A: The Kirchhoff's laws of spectroscopy give important aspects of spectra. The laws state that   A hot…

Q: The colored wings of many butterflies are due to pigmentation, but in others, such as the Morpho…

A: The colored wings of morpho-butterflies are due to the iridescence.

Q: Look at your red , sunburned feet when they are under water. Why don’t they look as red as they are…

A: Ray of light coming from red wound will undergo scattering and refraction both at water surface.

Q: Why are red, green and blue called the additive primary colors?

A: By adding suitable amount of red, blue and green color, white color is formed. And as we know, the…

Q: Based on your observation, what is the direction of the circulation of red food color? blue food…

A: As the heart beats, it pumps blood through a system of blood vessels called circulatory system.…

Q: What besides the amount of light affects the size of the pupil of the eye?

A: The pupil response to cognitive and emotional events occurs on a smaller scale than the light…

Q: why red and cyan colours are called complimentary colours?

A: A colour which on mixing up with another colour gives white or black colour is called the…

Q: What is an non polar?

A: Introduction: Atoms and molecules are formed due to arrangement of electrons that creates bond.…

Q: orange-violet-yellow-red-brown and Ω %

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Q: Propagation of light is

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Q: Fire engines used to be red, Yellow-green is now the preferred colour.Why this change occured?

A: Red color appears black in the night, but the brightness of yellow green color does not fade in the…

Q: Why does the Sun appear reddish early in the morning?

A: When sun rises, the rays coming from the Sun have to travel a large distance in earth’s atmosphere…

Q: Where does color come from?

A: Color is linked exactly with the electromagnetic radiation of certain range of wavelength visible to…

Q: What evidence was there that light was a wave?

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Q: our eyes are most sensitive to which colour?

A: The average normal human sighted eye is most sensitive under daylight conditions at a wavelength of…

Q: Why does the Sun look reddish at sunrise and sunset but not at noon?

A: The sun appears reddish at sunrise and sunset due to the scattering of light due the small air…

Q: Why does a rainbow exist only in a narrow band?

A: The rainbow is caused by the refraction of light through the water droplets. The angle of refraction…

Q: Your friend reasons that magenta and yellow paint mixed together will produce red because magenta is…

A: We know, color yellow is the mixture of primary color red and green and magenta is a mixture of red…

Q: Discuss in detail the formation of rainbows.

A: Visible light have seven frequency bands that each corresponds to a different color. The order of…

Q: Why do we not see color at the periphery of our vision?

A: Our retina consists of visible light-sensitive cells known as rods and cones, out of these cones are…

Q: Tennis ball used to be white, what is the color preferred nowadays and why?

A: At present, tennis balls are yellow-green color and this is because this color is more sensitive to…

Q: What are the receptors in the back of the eye which detect only in black and white? What are the…

A: (a) Photo receptors:  A specialized cells are called photo-receptors. Mainly two types of…

Q: Why does the blood of injured deep-sea divers look greenish-black in underwater photographs taken…

A: Natural light at low depths of the ocean is blue due to the filtering effect of a water above. There…

Q: Why do blood of injured deep sea divers look greenish-black in underwater photographs taken with…

A: Water has a property to absorb red color light under deep sea and when we capture the photo of…

Q: Why is a sunflower yellow?

A: Sunflowers are annual flowers with thick and big petals.

Q: What is meant by power of accomodation of the eye

A: It is the process through which eye changes the optical power to focus the rays coming from the…