Why does the sky normally appear blue?

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: Why is the sky blue during fair day and why is it red during sunset?

A: This things happen due to the phenomenon scattering of light.

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: Why does the sky sometimes appear whitish?

A: Our atmosphere consists of large number of dust and other air particles. According to their size of…

Q: At noon the sun appears white as a) light is least scattered b) all the colours of the white light…

A: In order to reach the earth through the atmosphere, light has to travel a shorter distance only…

Q: In winter, a pile of snow has a bright white color. Use this fact to explain why it takes a lot time…

A: In winter, a pile of snow has a bright white color. Use this fact to explain why it takes a lot time…

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

A: Given:  Fire engines

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: Why do opaque materials become warmer when light shines on them?

A: The incident light energy on the material of the opaque substances vibrates the atoms r molecules of…

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: when something is painted blue, which colour is most absorbed by it?

A: When an object is painted blue, then the most absorbed colour on that object will be its opposite…

Q: Why will the leaves of a red rose be warmed more than the petals when illuminated with red light?

A: The petals of a red rose reflect all the red light coming from the source, whereas the leaves absorb…

Q: Why does the blood of injured deep sea drivers look greenish black in underwater photograph when…

A: Water absorbs different wavelengths of light to different degrees. The longest wavelengths with 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: explain why the sky is blue and sunsets mostly red, orange and yellow.

A: The scattering of a beam of light by a medium containing small suspended particles is known as the…

Q: What is the effect on the color of a cloud when it contains an abundance of large droplets?

A: The sunlight scattering the droplets in absorb most of the light.

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: 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 arc of a rainbow appear with red on top andviolet on the bottom?

A: Answer

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: Why is the sky a darker blue when you are at high altitudes? (Hint: What color is the “sky” on the…

A: The color of sky is actually black, and in the morning due to scattering of sunlight we see a bluish…

Q: Volcanic emissions spew fine ashes in the air that scatter red light. What colour does a full Moon…

A: If the light scattered by the fine ashes thrown out of the volcanic emissions are red; then the full…

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: Why are sunsets reddish orange on color?

A: Introduction: The lights coming from the sun to the earth get scattered by the particles present in…

Q: Why do diamonds sparkle?

A: A diamond, which has a very complex internal structure sparkles very brightly under a good light.…

Q: What is the reason why a green colored shirt looks green?

A: An object color appearance depends on the wavelengths of light which reflected by the object to an…

Q: If the sunlight were somehow green instead of white, what color clothing would be most advisable on…

A: If the sunlight were somehow green instead of white, then on a very hot day green colored clothes…

Q: Why does smoke from campfire look blue against trees near the ground but yellow against the sky?

A: We see the scattered light from the smoke which is blue in color near the ground, while in the sky,…

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: 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: If you were to subject a green ink to paper chromatographic separation, what are the possible colors…

A:

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: 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: 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: which warms more quickly in sunlight -a colourless or coloured piece of glass? Also explain Why?

A: A coloured glass can absorb all the colours except its own colour while the colourless glass can’t…

Q: Choose the correct statement. For light, we can call white a tertiary color because RED + BLUE +…

A: White and black are not primary colours . They are used to make light or dark shades of other…

Q: Explain why we see distant mountains as blue green in color instead of seeing it as green?

A: The sky is blue because the air in the atmosphere scatters blue light.

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: The color of an opaque object is the color of the light it ________________. a. absorbs b. reflects…

A: The apparent color of the opaque object depends on the wavelength of the light.

Q: When dishes are not properly rinsed after washing, different colors are reflected from their…

A: When the dishes are not washed properly, the soap layer is left on the surface of the dishes. The…

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: