Light Pretest

What is true about the colors of light?

• They have the same frequency but different speed

• They have the same speed but different frequency

• The have the same wavelength but different frequency

• They have the same frequency but different wavelength.

Tags

NGSS.HS-PS4-1

If you will arrange the color of light according to increasing wavelength, what will be its arrangement?

• Violet, Indigo, Blue, Green, Orange, Yellow, Red

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

• Violet, Indigo, Blue, Green, Yellow, Orange, Red

• Red, Indigo, Blue, Green, Orange, Yellow, Violet

Shadows are black, what is black?

• a combination of all the colors of the spectrum.

• a combination of two or more appropriate colors

• light when a prism is held upside down

• the absence of light

Tags

NGSS.MS-PS4-1

During a physics class, Sophia is asked to express the speed of light, which is 300,000,000 m/s, in scientific notation. What is the correct expression?

Which circuit (s) are parallel?

• A

• A and B

• B and C

• C

If I add more light bulbs to a series circuit what happens?

• The current speeds up and the lights get brighter

• The current slows down and the lights dim lower

• The current speeds up and the lights dim lower

• The current slows down and the lights get brighter

What kind of circuit is this?

• series

• parallel

What is the speed of light in a vacuum?

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following phenomena demonstrates that light behaves as a wave?

• Photoelectric effect

• Diffraction

• Compton scattering

• Blackbody radiation

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What happens to the wavelength of light as it moves from air into water?

• It increases

• It decreases

• It remains the same

• It becomes zero

Tags

NGSS.MS-PS4-2