Wavelengths And Stuff

Question 1

Amplitude

Answer 1

0 to crest or trough

Question 2

Wavelength

Answer 2

Crest to crest or trough to trough

Question 3

Frequency

Answer 3

The number of wave cycles to pass a given point per unit of time

Question 4

Frequency units

Answer 4

Hertz, 1/s, s^-1

Question 5

Product of wavelength and frequency always equals what?

Answer 5

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

Question 6

Wavelength and frequency relationship

Answer 6

Inverse; indirect

Question 7

Order of electromagnetic waves (small to big)

Answer 7

gamma, x-Ray, UV, visible, infrared, microwaves, radar, radio

Question 8

Order of color spectrum

Answer 8

ROYGBIV

Question 9

What happens when electric current passed through gas?

Answer 9

Gas emits light

Question 10

Passing the light emitted by an element through a prism gives the what of an element?

Answer 10

Atomic emission

Question 11

Can emission spectrum of one be same as another?

Answer 11

No

Question 12

What did Einstein call quanta of light energy?

Answer 12

Proton

Question 13

Lowest energy of electron called?

Answer 13

Ground state

Question 14

Does quantum mechanics describe the motions of subatomic particles and atoms as waves?

Answer 14

Yes

Question 15

Heisenberg uncertainty principle

Answer 15

Impossible to know Velocity and location of particle at same time

Question 16

Does he Isenburg principle apply to cars and airplanes?

Answer 16

No bc only to particles, cars and airplanes too big

Question 17

Wavelength unit

Answer 17

Meters

Question 18

Planck’s constant

Answer 18

6.62610^-34 Js

Question 19

C= lambda*v

Answer 19

Speed of light = wavelength * frequency

Question 20

E = h * v

Answer 20

Energy = planck’s constant (J*s) * frequency (1/s)