UPDATED ACTUAL Exam Questions and
CORRECT Answers
Electromagnetic Spectrum - CORRECT ANSWER All the frequencies or wavelengths of
EM radiation
Electromagnetic Wave - CORRECT ANSWER A wave that consists of electric and
magnetic fields that vibrate at right angles to eachother
Radiation - CORRECT ANSWER The transfer of energy as EM waves
Absorption - CORRECT ANSWER A transfer of light waves to particles of matter
Scattering - CORRECT ANSWER An interaction of light with matter that cause the light
to change direction
Interference - CORRECT ANSWER The combination of two or more waves resulting in
one wave
Transmission - CORRECT ANSWER The passing of light through matter
Pigment - CORRECT ANSWER A substance that gives another substance or mixture its
color
Reflection - CORRECT ANSWER The bouncing back of a ray after hitting a barrier
Refraction - CORRECT ANSWER The bending of a wave as it passes from one medium
to another
, Diffraction - CORRECT ANSWER The bending of a wave around a barrier or through an
opening
Clear water: transparent, translucent, opaque? - CORRECT ANSWER Transparent
Clear plastic bag: transparent, translucent, opaque? - CORRECT ANSWER Transparent
Glass window: transparent, translucent, opaque? - CORRECT ANSWER Transparent
Car windshield: transparent: transparent, translucent, opaque? - CORRECT
ANSWER Transparent
Silty water: transparent, translucent, opaque? - CORRECT ANSWER Translucent
Sheer fabric: transparent, translucent, opaque? - CORRECT ANSWER Translucent
Frosted glass: transparent, translucent, opaque? - CORRECT ANSWER Translucent
Oiled paper: transparent, translucent, opaque? - CORRECT ANSWER Translucent
Wood door: transparent, translucent, opaque? - CORRECT ANSWER Opaque
Human: transparent, translucent, opaque? - CORRECT ANSWER Opaque
Rubber tire: transparent, translucent, opaque? - CORRECT ANSWER Opaque
Aluminum foil: transparent, translucent, opaque? - CORRECT ANSWER Opaque