Quiz Name: Light Energy 
Type: Multiple Choice
Instructions: Write your answers on a separate sheet of paper. Check your answers by clicking on “answer key” below the last question.

Question 1: Nearsightedness can be corrected with

convex lenses 
prisms 
plane mirrors 
concave lenses 

Question 2: These separate white light into the colors of the spectrum.

convex lenses 
prisms 
telescopes 
concave lenses 

Question 3: Each color of light has its own

frequency 
Both frequency and wavelength 
Neither wavelength or frquency 
wavelength 

Question 4: The color of objects that reflect all colors of light is

black 
red 
blue 
white 

Question 5: Farsightedness can be corrected with

convex lenses 
both convex and concave lenses 
neither convex and concave lenses 
concave lenses 

Question 6: The color of objects has to do with the colors that are

refracted 
reflected 
diffracted 
absorbed 

Question 7: The science that studies light is

acoustics 
polarization 
optics 
chemistry 

Question 8: Light travels at a speed of

186,000 mi/sec 
300000000 m/sec 
300,000 km/s 
All of these speeds 

Question 9: Light travels in these type of paths.

curved 
straight 
reflected 
diffracted 

Question 10: Light does not need molecules in order to travel.

false 
true 

Question 11: Light energy that is absorbed changes to

heat energy 
plasma 
more light energy 
laser light 

Question 12: Materials that scatter light as it passes through them are called

transparent 
transluscent 
opaque 
prisms 

Question 13: The bending of light as it passes into different materials is called

reflection 
diffraction 
refraction 
scattering 

Question 14: When light passes through a concave lens it is

diverged 
converged 
diffracted 
scattered 

Question 15: Convex lenses are used in

magnifying glasses 
telescopes 
microscopes 
all of these devices 

Question 16: Materials that allow light to pass straight through them so images can be seen are called

transparent 
transluscent 
opaque 
none of these answers 

Question 17: When light bounces off surfaces it is

refracted 
diffracted 
always scattered 
reflected 

Question 18: People who can see things close but have trouble seeing distant objects are said to be

farsighted 
nearsighted 
partially blind 

Question 19: The thicker the convex lens the

longer the image distance 
shorter the image distance 
image distance doesn't change 
more divergence occurs 

Question 20: Light is made of particles called

atoms 
electrons 
neutrons 
photons 

Question 21: Light that is made to vibrate in one plane of motion is

polarized 
refracted 
reflected 
diffracted 

Question 22: Objects that light cannot travel through are called

transluscent 
transparent 
opaque 
solid 

Question 23: The standard unit of brightness is called the

candela 
lumen 
hertz 
joule 

Question 24: Since laser light has its crests and troughs in phase it is said to be

monochromatic 
in a plane wave front 
coherent 
diffracted 

Question 25: Mirror images are said to be

real images 
refracted images 
diffracted images 
virtual images 

Question 26: A concave(parabolic) mirror produces

real images 
virtual images 
Both real and virtual images 
Neither real and virtual images 

Question 27: Which of the following produces real images

convex lens 
concave lens 
prisms 
plane mirror 

Question 28: People who see objects far away just fine but have trouble reading the morning paper are

farsighted 
nearsighted 
partially blind 

Question 29: The lens that is the outer or lower lens of a telescope or microscope is called the

eyepiece lens 
concave lens 
prism 
objective lens 

Question 30: To find the magnification of the two lenses used in a microscope you would

divide the two magnifications 
subtract the two magnifications 
multiply the two magnifications 
the magnification would be two

Answer Key