8.1 Electromagnetic Spectrum

Question 1

what type of waves are electroamagnetic waves

Answer 1

transverse waves

Question 2

long wavelength = _____ energy

Answer 2

low

Question 3

short wavelength = _____ energy

Answer 3

high

Question 4

for the MCAT, assume all electromagnetic waves travel at what speed?

Answer 4

the speed of light (3 x 10^8 m/s)

Question 5

blackbody

Answer 5

something that absorbs of all wavelengths of light

appears black because no light is reflected

Question 6

all electromagnetic waves travel at the same speed:

Answer 6

speed of light 3 x 10^8 m/s

Question 7

waves on the electromagnetic spectrum (7)

Answer 7

Question 8

electromagnetism describes light as…

Answer 8

a propogating wave of electric and magnetic fields

Question 9

the electric field wave and magnetif field wave are…

Answer 9

perpendcular to each other

they are on difference axis’

Question 10

the overall orientation of electromagnetic radiation is equal to the orientation of the (electric/magnetic) field component

Answer 10

the overall orientation of electromagnetic radiation is equal to the orientation of the electric field component

Question 11

by convention, the direction of polarization of EM waves is taken to be the [electric/magnetic] field direction

Answer 11

by convention, the direction of polarization of EM waves is taken to be the electric field direction