Look at your red , sunburned feet when they are under water. Why don’t they look as red as they are above water?

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: Suppose that sunlight falls both on a pair of reading glasses and on a pair of dark sunglasses.…

A:

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

A:

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: What is the advantage of having matte (nonglossy) pages in this book rather than pages with a…

A: Given:  pages in book

Q: If you observe objects inside a very hot kiln, why is it difficult to discern the shapes of the…

A: When the object is inside a hot kiln, the object gets heated. This hot object emits thermal…

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: Which statement correctly explains why white objects look white and black objects look black? O a Ob…

A: The colour of an object depends on which colour the object reflects when white light is incedent on…

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

A: Given:  Fire engines

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: 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 water make a shirt darker?

A: Transparency: When an object is placed in the sight of an eye and a person is still be able to see…

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: 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: A woman standing on a cliff is watching a motor boat as the boat approaches the shoreline directly…

A: Given : Woman eyes are 250 foot above the water level

Q: How will the color of the sky appear different on humid days compared to days of a low humidity?…

A: Generally we see the color of the sky is Blue. Actually the sky do not have any color. Color…

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: When you look at a thin film of clear oil or gasoline on the surface of water, that film appears…

A:

Q: A drop of oil placed on the surface of water spreads out. But a drop of water placed on oil…

A: Cohesive Force – Cohesive Force are attractive force which acts between similar molecules.Adhesive…

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: When you look at a shirt and it is blue…. WHY IS IT BLUE? What is being absorbed and what is being…

A: What colour our eye see is the reflected colour which an object reflects. Rest of the colours are…

Q: Do you think that the formation of a rainbow is more a demonstration of the wavelikeor particle-like…

A: Rainbow formation: Rainbow formation is formed due to refraction between water droplets (High…

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: When children make bubbles with soap water some of the bubbles initially do not show any colors. But…

A: Question based on bubbles of soap water

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: 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: You can get a sunburn on a cloudy day, but you can’t get a sunburn even on a sunny day if you are…

A:

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: What determines whether a material is transparent or opaque?

A:

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: Red sun rise occurs for the same reason as red sunsets. But sunsets are usually more colourful than…

A: The light from the sun travels through Earth’s atmosphere it undergoes scattering before it reaches…

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

A: Since green color will absorb all color frequencies except green so when sunlight of green color…

Q: Comment on the statement “Oh, that beautiful red sunset is just the leftover colors that weren’t…

A: When light falls on suspended particles that are present in the air then it gets scattered. White…

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: