Review test Unit 2

Which color on the visible spectrum has the most energy?

Give an example of radiation of the EMS that has a lower frequency than microwaves.

what type of relationship exists between wavelength and energy?

Find the energy, in joules per photon, of microwave radiation with a frequency of 7.91 × 10 ¹⁰ 1/s.

• 6.63 x 10^-34 J
• 5.25 x 10¹⁴ J
• 5.24 x 10^-23 J
• 1.19 x 10⁴⁴ J

Tags

NGSS.HS-PS4-1

What is the typical units of measurement for the "E" in the following equation: 
E_photon= h x f

• joules
• meters
• meters/seconds
• hertz

Light has characteristics of both a wave and a ____________.

• amplitude
• freqency
• joule
• photon

Tags

NGSS.HS-PS4-3

What is the frequency of UV light that has an energy of 2.39 × 10 ^-18 J? 

• 2.32 x 10⁹ Hz
• 3.60 x 10¹⁵ Hz
• 1.58 x 10^-51 Hz
• 3 x 10⁸  m/s

Tags

NGSS.HS-PS4-1

Solve this problems using the equation: C = λ  x  ν
A microwave oven emits radiation at a wavelength of 5.00 x 10^-1cm. What is the frequency of this radiation?
(Convert to m first).

• 6.67 x 10^-7 Hz
• 2.00 Hz
• 1.50 x 10 ^ 6 Hz
• 6.00 x 10^10 Hz

Tags

NGSS.HS-PS4-1

A certain photon of light has a wavelength of 4.22x10^-7nm. What is the frequency? (v=c/λ)

• 7.11x10¹⁴ Hz
• 7.11Hz
• 1.41x10^-15
• -1.41x10¹⁵

Tags

NGSS.HS-PS4-1

Select the correct order of waves on the EMS 

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
• Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma