Phy. Sci. Formative #1 ELM Spectrum

White light breaks up into different colors as it passes through a prism because of what?

• Differences in wave speed between the different colors.

• Total internal reflection.

• Moisture in the air.

• The colors start to heat up the prism and cause it to bend.

Tags

NGSS.MS-PS4-2

Light is fastest in

• air.

• space.

• water.

• solids.

What creates yellow?

• red and green light

• red and blue light

• green and blue

• green and magenta

The point where the rays meet is known as....

• Fire
• the focal point
• refraction
• Plane of the lens

Tags

NGSS.HS-PS4-5

What is the correct order of the visible light spectrum starting with the longer wavelength?

• Red, yellow, orange, blue, violet, indigo

• Violet, indigo, blue, green, yellow, orange, red

• Green, yellow, blue, indigo, red, orange

• Red, orange, yellow, green, blue, indigo, violet

Tags

NGSS.HS-PS4-1

What is an example of a wave with a long wavelength and low frequency?

• Gamma rays
• Infrared
• Radio
• Visible light

An example of a wave with a short wavelength, high frequency, and high energy is a 

• X-ray
• Microwave
• Visible light wave
• Infrared wave

Tags

NGSS.HS-PS4-1

What waves have the lowest energy? 

• Gamma rays
• Visible light waves
• Radio waves
• X rays

Tags

NGSS.HS-PS4-4

Which color has the longest wavelength?

• Yellow

• Red

• Green

• Purple

Tags

NGSS.HS-PS4-1

Fiber optic cables work because of the principle of _____.

• total internal refraction

• incomplete internal refraction

• total internal reflection

• partial internal reflection