EM Radiation in Atomic Scale

Which kind of wave has the greatest frequency?

• gamma rays
• infrared
• ultraviolet
• microwaves

Tags

NGSS.HS-PS4-1

Which of the following regions of the electromagnetic spectrum has the longest wavelengths?

• microwave
• infrared
• x-ray
• gamma ray

Which of the following colors of visible light has the longest wavelength?

• orange
• blue
• red
• green

Tags

NGSS.HS-PS4-1

An argon ion laser emits light at 488 nm. What is the frequency of this radiation? (speed of light C=3 X10^8 m/s)

• 4.07 x 10^-19 Hz

• 6.14 x 10^14 Hz

• 1.46 x 10^2 Hz

• 2.05 x 10^ 6 Hz

Tags

NGSS.HS-PS4-1

A common infrared laser operates at 1.06 x 10³ nm. What is the energy of a photon with this wavelength? (C=3x10^8 m/s, max Planck's constant h=6.636 x 10^-34 J.s)

• 7.02 x 10^-40 J

• 6.25 x 10^-28 J

• 3.54 x 10^-15 J

• 1.87 x 10^-19 J

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

As an electron moves from n=1 to n=4, is energy absorbed or released?

• Absorbed
• Released

High frequency waves have _________ wavelength.

• varying

• long

• the same

• short

Tags

NGSS.HS-PS4-1

Look carefully at the waves.  Which carries the most energy?

• microwave
• infrared
• ultraviolet
• x-ray

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4

Which has the longest wavelength?

• microwave
• infrared
• ultraviolet
• x-ray

Tags

NGSS.HS-PS4-1

All types of electromagnetic radiation have the same

• speed
• wavelength
• frequency
• energy

Tags

NGSS.HS-PS4-1