Light, sight and colour

Why does a banana look yellow?

• it reflects yellow wavelengths of light and absorbs most other wavelengths

• it absorbs yellow wavelengths of light and reflects most other wavelengths

Tags

NGSS.MS-PS4-2

what is the correct order of the visible light spectrum?

• red, yellow, green, orange, blue, violet and indigo

• indigo, blue, violet, orange, yellow, green and red

• violet, blue, indigo, green, yellow, orange and red

• red, orange, yellow, green, blue, indigo and violet

When you see the color black...

• All colors are reflecting

• All colors are absorbed

• The color blacl is reflecting

• the color black is absorbed

Tags

NGSS.MS-PS4-2

Which of the following shirts would make you feel the warmest on hot, sunny day?

• red

• blue

• white

• black

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When light goes from one material(medium) to another it becomes bent, what term means bent?

• reflected

• refracted

• absorbed

• turned

Tags

NGSS.MS-PS4-2

A plane mirror produces a/an 

• a small, real image
• a large, real image
•  a small, virtual image
• a same sized, virtual image

Tags

NGSS.MS-PS4-2

An actorś red shirt and blue pants both appear black. What color is the stage light shining on the actor?

• Blue 
• Red
• Magenta
• Green

What are the primary colors of the light?

• cyan, yellow and magenta

• Red, green and blue

• black and white

Which colour light is formed when all three primary colours mix?

• yellow

• purple

• white

Which one of the following is true both for human eye and digital camera?

• the sensor detects light.

• the aperture controls the amount of light that enters.

• the lens focuses the light.