EM flashcards

Question 1

What 3 things differentiate EM waves?

Answer 1

frequency
wavelength
NRG

Question 2

C=Av is an equation for?

Answer 2

Speed of wave. (c)
A= wAvelength
v= frequency

Question 3

Define frequency

Answer 3

of waves per second

Question 4

Continuous spectrum

Answer 4

continuous band of colors from red to violet produced when white light passes a prism.

Question 5

Bright line spectra

Answer 5

when element is heated or gas is stimulated by cathode ray, the element produced the spectra. Ea. is unique.

Question 6

Spectroscope

Answer 6

device that splits light into its component frequencies

Question 7

Wavelength

Answer 7

distance between one wave and the next.

INVERSELY PROPORTIONAL between FREQUENCY

Question 8

Quanta or Photon

Answer 8

fixed amount of nrg that can be gained or lost by an atom,

Depends on frequency of light

Question 9

Ground state

Answer 9

when all electrons are in lowest possible NRG levels

Question 10

Excited state

Answer 10

when e- are excited by RADIATION OR ELECTRICITY

Question 11

What happens when e- returns to ground state?

Answer 11

releases photon light nrg