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

Q: When does light not refract upon entering a different medium?

A: refraction of light

Q: What is the relationship between the angle of incidence and angle of refraction?

A:

Q: What is reflection?

A: Reflection can be defiend in many ways:1. Reflection is a phenomena in which rays of light (or waves…

Q: What is the cause of refraction?

A: The reason for refraction is change in speed while entering from one medium to another medium.

Q: How does the speed of light that emerges from a pane of glass compare with the speed of light…

A:

Q: What is law of reflection?

A: According to the law of reflection, the angle of incidence is equal to the angle of refraction when…

Q: When discussing refraction, the substances light travels through are referred to as _____________

A: Let the refractive index of first medium in which the ray of light is incident = n Let the…

Q: How does reflection lead to the formation of images?

A:

Q: What is a refractive mirror?

A: The process of bending of light while travelling from one medium to another is called refraction .

Q: In the chromatic aberration of the lens, the focus of the blue color is closer to the focus of the…

A: lens will not focus different color in exactly the same place because the focal length depends on…

Q: Do you have an idea about how the rainbows were formed?

A: Do you have an idea about how the rainbows were formed?

Q: The bending of light as it travels from one medium to another is called:

A: Solution: Step1 - Here we will understand the concept that will be used to solve the question. As we…

Q: What is the relationship between refraction and the speed of light?

A:

Q: How is reflection of light evident in nature?

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

Q: Light moving from a high index of refraction to a lower index bends TOWARD the normal. true or false

A: Let, the higher index of refraction be denoted as 'n1' , lower refractive index be denoted as 'n1' ,…

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 image formed by a diverging lens? Converging lens?

A: We have to write the image produced by the converging lens and diverging lens

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

A:

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 are the three primary colors

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

Q: How rainbow is formed?

A:

Q: How does the speed of light in glass change on increasing the wavelength of light?

A: Speed of light in the glass:

Q: The index of refraction of glass is 1.52, and of acrylic is 1.49. This tells you that the…

A: Refractive index of acrylic is less than that of glass.

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: Will any light leave the top surface of the prism?

A:

Q: In the opening photo of the duck standing on the rock, why are the duck’s feet not shown in the…

A: As the reflection occurs at same position, the image of the feet formed at same place. The object…

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: How a lens refracts light?

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

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: What is meant by power of a lens?

A: The power of lens tells about the bending of rays of light when it passes through the lens.

Q: Does the speed of light in glass depend on wavelength?

A: The speed of light in glass medium depends on wavelength.

Q: Which is an example of diffuse reflection? Light reflects off a green sheet of construction paper.…

A: In all the options mentioned here, the incident light ray does not emerge as a single coherent light…

Q: When a pulse of white light is incident on a piece of glass, the first color of the seven colors in…

A: As light goes from one medium to other, frequency remains the same. Velocity of the wave is,

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

A:

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…

Q: Blue skies and red sunsets are due to _______________. a. Mie scattering b. Rayleigh scattering c.…

A:

Q: why does the colour of sunset vary from day to day?

A: The colour of sky is actually the result of scattering of light by the micro particles in the…

Q: What is total internal reflection?

A: We know that light moves from material that has a higher index of the material to a lower index of…

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: