Optics

The best explanation for shadows is

• black light is projected onto an object

• light bends only part way round solid objects

• when light hits an opaque object, it cannot go any further

• when light strikes an object, the object projects a black light

Which of the following has the greatest amount of energy

• Red Light
• UV 
• Microwave
• X-Ray

Tags

NGSS.MS-PS4-1

A red bird appears red because it REFLECTS what color

• Magenta
• Red
• Cyan
• Doesn't reflect any light

Tags

NGSS.MS-PS4-2

High energy light consist of ________ wavelength and _______ frequency

• Short, Low

• Long, Low

• Short, High

• Long, High

Which form of light travels the fastest?

• Radio
• Infrared
• Gamma
• All travel the same speed

This is an example of...

• Reflection
• Refraction
• Polarization
• Spectrum

Tags

NGSS.MS-PS4-2

_____ is a lens that is thicker in the middle.

• Convex
• Concave

_____ is a lens that is thinner in the middle..

• Convex
• Concave

Tags

NGSS.MS-PS4-2

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

• incandescent
• fluorescent
• halogen
• tungsten

According to the Law of reflection, a light ray striking a mirror

• continues moving through the mirror in the same direction
• moves into the mirror at a slightly different angle
• bounces off the mirror toward the direction it came from
• bounces off the mirror a the same angle it hits.