Light and Quantized Energy

Which one is the trough?

• A

• D

• B

• C

Tags

NGSS.HS-PS4-1

What is the letter D labeling?

• Wavelength

• Amplitude

• Origin

• Crest

Tags

NGSS.HS-PS4-1

What does letter c. represent?

• Crest

• Amplitude

• Trough

• Origin

What is a trough?

• the distance between

  the waves.

• waves below the origin

•  wave’s height from origin

  to crest or from origin to trough.

• the waves above the origin

Tags

NGSS.HS-PS4-5

What is a spectrum which includes all electromagnetic radiation?

• Atomic emission spectrum

• Photoelectric effect

• Electromagnetic spectrum

• Electromagnetic Radiation

Tags

NGSS.HS-PS4-4

What is the name of this process

(a)  

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which one includes the frequency of a radiation?

• Electromagnetic spectrum

• P

• Atomic emission spectrum

• None

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4

Microwaves are used to cook food and transmit information. What is the wavelength of a microwave that has a frequency of 3.44 × 10⁹ Hz?

What formula do you use?

• c=λν

• E quantum/photon = hν

• λ=c/v

• v=c/λ

Answer explanation

λ= wavelength

v= frequency

c= speed of light in a vacuum/3.00 × 108 m/s

Tags

NGSS.HS-PS4-1

Microwaves are used to cook food and transmit information. What is the wavelength of a microwave that has a frequency of 3.44 × 10⁹ Hz?

• λ= 4.89 10 ^ - 2 m

• λ= 8.72 10 ^ - 2 m

• Ephoton=4.791 x 10-19 J

• λ= 27.33 10^ - 2 m

Which is a continuous spectrum?

• both

• electromagnetic spectrum

• none

• atomic emission spectrum