Wavelength Calculations

Which of the following frequencies corresponds to light with the longest wavelength?

• 3.00 x 10¹³ Hz

• 4.12 x 10⁵ Hz

• 8.50 x 10²⁰ Hz

• 9.12 x 10¹² Hz

• 3.20 x 10⁹ Hz

Tags

NGSS.HS-PS4-1

What is the energy of a photon of blue light that has a frequency of 6.31 x 10¹⁴ Hz? (h=6.626x10^-34 J sec)

• 4.75 x 10^-7 J

• 4.18 x 10^-19 J

• 6.31 x 10¹⁴ J

• 9.44 x 10^-32 J

• 2.39 x 10^-32 J

Tags

NGSS.HS-PS4-1

The relationship between wavelength and frequency is λ=c/f. Calculate the wavelength of light that has a frequency of 5.2 x 10¹² Hz. The speed of of light is 3.0x 10⁸ m/s.

• 5.8 x 10 ^-5 m

• 5.8 x 10 ^-7 m

• 5.19 x 10 ¹⁴ m

• 1.56 x 10 ²³ m

Tags

NGSS.HS-PS4-1

What is the variable c used for?

• frequency

• wavelength

• Energy

• speed of light

Tags

NGSS.HS-PS4-1

What is the variable λ used for?

• frequency

• wavelength

• Energy

• speed of light

Tags

NGSS.HS-PS4-1

The frequency of light is 7.14 x 10¹⁴ Hz. What is the wavelength?

• 3.00 x 10⁸ m

• 4.20 x 10^-7 m

• 2.25 x 10²³ m

• 3.90 x 10^-9 m

Tags

NGSS.HS-PS4-1