Waves and Electromagnetic Radiation Exam

Question 1

Wavelength λ

Answer 1

distance between two consecutive points in a wave (m or nm)

Question 2

Frequency v

Answer 2

number of waves (cycles) per second that pass a given point in space (Hz)

Question 3

Speed c

Answer 3

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

Question 4

Amplitude

Answer 4

height of wave related to intensity or brightness

Question 5

Order of rays

Answer 5

RMIVUXG
(Radio, microwave, infared, visible, ultraviolet, x-ray, gamma)

Question 6

Spectroscope

Answer 6

takes a source of electromagnetic radiation made up of many wavelengths and disperses those wavelengths into an array so that each wavelength may be viewed individually

Question 7

Emission spectrum

Answer 7

the pattern of colored bands formed by individual wavelengths

Question 8

Quantized

Answer 8

there can only be certain distinct energies associated with the atom

Question 9

Bohr

Answer 9

used hydrogen to study the emission spectrum

Question 10

Ground state

Answer 10

when an electron is at it’s lowest energy level

Question 11

Excited state

Answer 11

when the electron absorbed a certain amount of energy (quantum)

Question 12

Quantum

Answer 12

a certain amount of energy

Question 13

Red

Answer 13

700

Question 14

Orange

Answer 14

600

Question 15

Yellow

Answer 15

580

Question 16

Green

Answer 16

550

Question 17

Blue

Answer 17

500

Question 18

Indigo

Answer 18

450

Question 19

Violet

Answer 19

400