Electromagnetic Radiation waves

The frequency of violet light is 7.5x10¹⁴ Hz. What is its wavelength?

• 4.0x10^-7 m

• 4.0x10⁷ m

• 2.25x10²³m

• 2.25x10²³ Hz

Tags

NGSS.HS-PS4-1

What is the speed of light?

• 3.0x10⁸ ms

• 3.0x10⁸ m/s

• 6.626x10^-34 Js

• 6.626x10^-34 J/s

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Red light has a wavelength of 675 x 10^-9 m. What is its frequency?

• 2.03x10¹¹ m

• 4.44x10¹⁴ Hz

• 4.44x10¹⁴ nm

• 2.03x10¹¹ Hz

Tags

NGSS.HS-PS4-1

1. The equation used for calculating the speed of a wave is provided. If the wavelength is doubled, what happens to the frequency?

• Doubles

• Stay the same

• Halved

• Increase by 1/3

Tags

NGSS.HS-PS4-1

a wave has a wavelength of 3.2 m and frequency of 7 hertz? 

• 2.4 m/s

• 4 m/s

• 30 m/s

• 22.4 m/s

Tags

NGSS.HS-PS4-1