Which has the least energy among the colours of a rainbow?

• Green

• Orange

• Red

• Violet

Violet is bent most among the seven colors because it has the _______________.

• Highest frequency

• Lowest frequency

• Longest wavelength

• Shortest wavelength

Which of the following can separate white light into seven colors?

• Box

• Cellphone

• Paper

• Prism

Nina sent an arrow beam of white light through a prism. As a result, she observed the light dispersing into ______________.

• Four colors

• Three colors

• Five colors

• Seven colors

Rainbows are formed through ____________.

I. Dispersion II. Reflection

III. Refraction

• I only

• I and II

• III only

• I , II, III

Tags

NGSS.MS-PS4-2

What can prisms do?

• Change sunlight into a single color.

• Invert a light ray's frequency and wavelength.

• Separate the incoming light into its constituent colors.

• Slow down light to few meters per second, when used back to back.

For visible light, which property changes with color?

I. Frequency

II. Period

III. Wavelnlength

• III ONLY

• I AND II

• I AND III

• I , II, AND III

Which of the following colors has the highest energy?

• Orange

• Red

• Violet

• Yellow

What refers to the bending of light as it passes from one medium into another?

• Frequency

• Reflection

• Refraction

• Wavelength

Tags

NGSS.MS-PS4-2

What refers to the splitting of white light into seven different colors?

• Dispersion

• Refractive index

• Reflection

• Refraction