What accounts for some clouds being white and others dark?

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: 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: Think about the word below. What letters are unchanged if they are reflected horizontally?…

A: A mirror image is a reflected duplicate of a seemingly identical object that is turned the other way…

Q: what is effect on the colour of  clouds when it contain an abundance of large droplets?

A: The clouds floating overhead contain water vapor and cloud droplets, whish are small drops of…

Q: How do photographers make clouds brighter by in contrast with the sky?

A: In order to make photographs more distinctive, especially at times when two parts of the photo are…

Q: How is wavelenght of light related to its frequency?

A: the wavelength and frequency of light are mutually independent to each other . as the wavelength…

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

A: Given:  Fire engines

Q: Discuss the scientific properties of why the sky is blue.

A: The blue color of sky:

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: How does the average speed of light in glass compare with its speed in a vacuum?

A:

Q: Why are infrared waves often called heat waves?

A:

Q: How is reflection of light evident in nature?

A: Given: How is reflection of light evident in nature?

Q: give an example of wave characteristic of light that is easily observed outside the laboratory

A: Light: It is a transverse, electromagnetic wave which helps us to see. The wave nature of light was…

Q: Why infrared radiations are used for photography in dark?

A:

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: What makes a rainbow curved?

A:

Q: Your friend says that the reason the distant dark mountains appear blue is because you’re looking at…

A: I agree with the reason that sky is the reason for the distance dark mountains to appear blue.

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: What is meant by scattering of light?

A:

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: 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: Red sunrises occur for the same reason as red sunsets. But sunsets are usually more colorful than…

A: The light rays coming from the sun toward earth either scattered or transmitted from the Earth’s…

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: How does the rainbow form with the use of reflection, refraction, and dispersion?

A: A rainbow is a spectrum of light forms when the sun shines on rain drops. It is combined result of…

Q: Why does the pupil of eye appear black?

A: The pupil is situated at the center of the iris of the eye. Pupil appears black because the entered…

Q: How would the whiteness of snow appear if Earth's atmosphere were several times denser?

A: According to the Rayleigh scattering, the dispersion is greater at lower wavelengths (higher…

Q: Does light travels through lighter atmosphere faster than heavier atmosphere?

A: The light always travel at the same speed everywhere, but light travels slower through glass, 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: What is Atmospheric Refraction?

A: The refraction of light by the Earth’s atmosphere is known as atmospheric refraction. Atmospheric…

Q: What determines whether a material is transparent or opaque?

A:

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: Is it scattering or reflection that accounts for whiteness of a cloud?

A:

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: Choose the BEST answer to the following: When white light passes through a prism, the light that…

A:

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: