The colored wings of many butterflies are due to pigmentation, but in others, such as the Morpho butterfly, the colors do not result from any pigmentation. When the wing is viewed from different angles, the colors change. How are these colors produced?

Q: Choose the BEST answer to the following: Colors in a soap bubble result from light (a) converted to…

A: A soap bubble is a very thin sheet of water sandwiched between two layers of soap molecules. The…

Q: What are the two methods of measuring color intensity?

A: Given: What are the two methods of measuring color intensity?

Q: What color(s) is (are) absorbed when blue pigment has yellow light shone on it?   a) red and green…

A: If blue pigment has yellow light shone on it

Q: Choose the BEST answer to the following:Colors in a soap bubble result from light (a) converted to a…

A: A rainbow spectrum of colors on the surface of a soap bubbles produced by thin film interference,…

Q: Soap bubbles exhibit brilliant colors when exposed to sunlight.Explain the concept behind this?

A: It is due to the phenomenon of interface that the exposure of sunlight exhibiting brilliant colors…

Q: White light is shone through a cyan filter, what color will the resulting light be? white cyan blue…

A: The white light primarily contains three colors red, green, and blue.

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: A swatch of pure red fabric is viewed through a green filter. The fabric appearsA. Red.        B.…

A: Red is a combination of yellow and magenta. In order to reflect yellow and magenta color, these…

Q: What color does red cloth appear to be when illuminated by light from neon sign?

A: The color of an object depends upon the kind of light falls on the surface and the nature of the…

Q: Which colour results when yellow, cyan and magenta colours are subtracted from a white colour?

A: The secondary colours of light are formed by mixing primary colours which are namely Red, Green and…

Q: When cyan light and yellow light are combined together on a screen, what color is created?   a.…

A: Cyan light is a combination of blue and green colour  Yellow light is a combination of red and green…

Q: If a green filter is placed in front of white light what color or colors are subtracted ? Cyan Black…

A: Answer: Blue and Red

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

A: Given:  Fire engines

Q: What color does red cloth appear to be when illuminated by a cyan light?

A: It is known that the white light from the sun is a combination of seven different lights with…

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: If the sky on certain planet in the solar system were normally orange, what color would sunsets be?

A: The sunset would be blue.If the sky of a certain planet is orange at noon, it means that the…

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: Which of the following are complementary colors? A. Yellow and blue B. Red and green

A: The complementary colours are colours that contrast with each other and are positioned exactly…

Q: Why is red paint red?

A: Red ochre is a simple compound composed of iron and oxygen which gives the colour to the paint.

Q: Assume the light wave directed at the paper is white light and the paper contains pigments that…

A: Here the pigments absorb the wavelength of red ,orange,yellow,blue,indigo,violet. And we know that…

Q: what colour light is transmitted through a piece of red glass?

A: When white light passes through the piece of red glass. Green and blue light is absorbed by the…

Q: What are the three primary colors

A: The three colors that are mixed to produce a white color, are termed the primary colors.

Q: What color light is transmitted through a piece of red glass?

A: When an electromagnetic waves incident on an object that composes all the seven color then all the…

Q: Glass has a refractive index of 1.5. How fast does light move through it

A:

Q: A(n) ___________ is a display of colors or frequenciesemitted from a light source.

A: Every color of light associated with frequency and wavelength.

Q: Suppose you are told that only two colors of light (X and Y )are sent through a glass prism and that…

A:

Q: Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'? A. Rainbow…

A: Mirage is the natural phenomenon known as deer's thirst in Sanskrit. The Sanskrit word used for…

Q: Theoretically, when magenta paper is illuminated with cyan light, the paper will appear......   a.…

A: Cyan is the combination of the light green and blue.

Q: Several raisins are placed in a bowl of water, after 24 hours, why does the water changes color?

A: Raisins swell when they are soaked in water. All of this is due to the osmosis process.

Q: What color is reflected from a surface that is painted with a mixture of cyan and magenta paint?…

A: solution is given as

Q: What causes the spectrum of colors seen in gasoline splotches on a wet street? Why are these not…

A: The thickness of the gasoline splotches on a wet street is of the order of wavelength of visible…

Q: The color of the outer edge of the primary rainbow is A. blue B. orange C. red D. violet The…

A: The primary rainbow includes colors violet, indigo, blue, green, yellow, orange, and red from inner…

Q: Which color has the greater speed in vacuum?

A:

Q: What causes the spectrum of colors seen in gasoline splotches on a wet street? Why are these not…

A: Average velocity equals instantaneous velocity means that velocity remains constant over the time.…

Q: How a lens refracts light?

A: Refractive index of lens is greater than the refractive index of air. When light travels from a…

Q: Why the Sun and the surrounding sky appears red during Sunrise and Sunset?

A: Sunlight consists of different color with different wavelength which get scattered by the small…

Q: What color results when red is subtracted from white light?

A: Step 1White light consists of the mixture of three colors, red, green and blue.

Q: Which has the greatest energy among the color in a rainbow

A: Rainbow has seven colors which are : violet, indigo, blue, green, yellow, orange, red Energy is…

Q: Which of the following actions performed on a rough metal surface significantly increases the…

A: Polishing is a finishing technique that is used to smoothen rough surfaces using an abrasive…

Q: What is the sequence of colors when white light passes through prism?

A: The refraction of colors depends on the frequency it possesses because the refractive indices are…

Q: Which color has the greater speed in glass?

A: The wavelength of violet light is shortest and it bend the most. And the wavelength of red color is…

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: