#1
Which color of light has the longest wavelength?
#2
What is the speed of light in a vacuum?
#3
What is the phenomenon where light bends as it passes from one medium to another?
#4
What is the unit of luminous flux?
#5
Which of the following colors has the highest frequency?
#6
Which type of electromagnetic radiation is used in food microwaves?
#7
What is the unit of frequency?
#8
Which of the following electromagnetic waves has the highest frequency?
#9
What happens to the wavelength of light as it passes from air into water?
#10
What is the relationship between frequency and wavelength of light?
#11
Which type of electromagnetic radiation is used in MRI scans?
#12
Which type of lens corrects nearsightedness?
#13
Which electromagnetic wave has the shortest wavelength?
#14
What is the phenomenon where light spreads out after passing through a narrow slit?
#15
Which phenomenon causes the sky to appear blue?
#16
What is the primary function of the cornea in the human eye?
#17
What determines the color of an opaque object?
#18
What is the primary function of the iris in the human eye?
#19
Which of the following colors has the highest energy per photon?
#20