EMF of Visible Light

How do scientists define color?

• The EMF in the middle of the spectrum range

• The minimum EMF range

• limited range of EMF that humans can see

• The EMF within radio and infrared waves

What color in the visible light has the shortest wavelength?

What color in the visible light has the longest wavelength?

Which color has a wavelength of about 400nm?

• Yellow

• Blue

• Green

• Violet

Which part of an eye organ where the light-sensitive cells located

• Cornea

• Lens

• Retina

• All correct

Below are the three varieties of color cones in the human eyes

• blue, yellow, and green

• blue, green, and red

• red, blue , and yellow

• red, blue , and white

State how human eyes can see an object?

• by receiving visible light reflected by the object

• By absorbing all range of EMF

• By converting any EMF from the object to become visible light

• No answers

If we combine green and red colors, what color will you see?

If we combine blue and red colors, what color will you see?

If we combine green, red and blue colors, what color will you see?