Light and Optics!!

An electromagnetic wave is a disturbance that transfers energy through a field.  In this sense, a disturbance is the same as a 

• confusion
• magnification
• vibration
• conflict

Tags

NGSS.MS-PS4-1

Unlike mechanical waves, EM waves can travel through

• a vacuum
• water
• the ground
• air

Tags

NGSS.MS-PS4-2

A light year is a measure of

• time
• distance
• speed
• wavelength

Tags

NGSS.MS-ESS1-3

The sun and a light bulb both produce light theough

• bioluminescence
• incandescence
• luminescence
• polarization

Which of the following types of light bulb converts ultraviolet waves into visible light waves?

• incandescent
• fluorescent
• halogen
• tungsten

An object seen through translucent material appears less clear than one seen through transparent material because the translucent material

• transmits none of the light coming form the object
• reflects all the light coming from the object
• transmits all the light coming from the object
• diffuses some light coming form the object

Tags

NGSS.MS-PS4-2

An object appears red because it

• reflects light waves of all colors
• reflects light waves of red
• absorbs light waves of red
• transmits light waves of all colors

Tags

NGSS.MS-PS4-1

Primary colors of light can combine to make

• black light
• white light
• primary pigments
• ultraviolet light

Tags

NGSS.MS-PS4-2

Which of the technologies listed have the highest frequencies?

• AM radio
• CB radio
• FM radio
• TV channels 2-6

Tags

NGSS.HS-PS4-1

What shape is a mirror that reflects parallel light rays toward a focal point?

• convex
• flat
• concave
• regular