c & E calculations

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

What is the variable ƒ 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

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

• 4.73 x 10^-19 J

• 1.20 x 10^-48 J

• 1.13 x 10^-17 J

• 4.97 x 10^-49 J

Tags

NGSS.HS-PS4-1

When bombarded with light, lithium emits a light with a frequency of 4.29 x 10¹⁴ Hz. Calculate the wavelength and use the chart to predict the color.

• blue

• green

• yellow

• red

Tags

NGSS.HS-PS4-1

Calculate the energy of light with a frequency of 5.10 x 10¹⁴ Hz.

• 3.38 x 10^-19 J

• 5.88 x 10^-7 J

• 9.62 x 10¹² J

• 1.04 x 10^-13 J

Tags

NGSS.HS-PS4-1

What is the frequency of ultraviolet light with a wavelength of 1.24 x 10^-7 m?

• 2.42 x 10¹⁵ Hz

• 8.22 x 10^-34 Hz

• 3.00 x 10⁸ Hz

• 1.04 x 10¹³ Hz

Tags

NGSS.HS-PS4-1

What is the frequency of infrared light with a wavelength of 1.05 x 10^-6 m?

• 6.96 x 10^-40 Hz

• 2.86 x 10¹⁴ Hz

• 9.62 x 10^-13 Hz

• 2.55 x 10^-19 Hz

Tags

NGSS.HS-PS4-1

A violet spectral line of an element has a wavelength of 4.2 x 10^-7 m. What is the frequency of the violet light?

• 3.00 x 10⁸ Hz

• 6.63 x 10^-34 Hz

• 7.14 x 10¹⁴ Hz

• 1.04 x 10^-13 Hz

Tags

NGSS.HS-PS4-1