8- Waves and Optics- End of Unit Test

What is light?

• A type of sound wave

• A small part of the EM spectrum

• A form of matter

• A chemical reaction

What is the speed of light in space?

• 150,000km/s

• 197,000km/s

• 300,000km/s

• 450,000km/s

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is the speed of light in glass?

• 150,000km/s

• 197,000km/s

• 300,000km/s

• 450,000km/s

What is the range of wavelengths for light waves?

• 200nm to 500nm

• 400nm to 700nm

• 500nm to 800nm

• 600nm to 900nm

Tags

NGSS.HS-PS4-1

What is a particle of light called?

• Electron

• Proton

• Neutron

• Photon

Tags

NGSS.HS-PS4-3

How big is a nanometer?

• One millionth of a meter

• One billionth of a meter

• One thousandth of a meter

• One hundredth of a meter

What happens when light is absorbed by an object?

• It is reflected as a different color

• It is transmitted to another side

• It is transferred to the object, mainly as heat

• It creates a magnified image of the object

Tags

NGSS.MS-PS4-2

What does it mean when light is reflected?

• It is stored within the object

• It bounces off the object

• It passes through the object

• It is absorbed and re-emitted by the object

Tags

NGSS.MS-PS4-2

When light is transmitted, what does it do?

• It gets absorbed by the object

• It reflects off the object and changes direction

• It goes through the object

• It causes the object to glow

Tags

NGSS.MS-PS4-2

What does an opaque object do to light?

• Allows all light to pass through

• Allows some light to pass through but not clearly

• Does not allow light to pass through, absorbs or reflects it

• Allows almost all light to pass through clearly

Tags

NGSS.MS-PS4-2