Electrons and Light Test

High frequency in the electromagnetic spectrum equates to

• high energy and short wavelength

• high energy and long wavelength

• low energy and short wavelength

• low energy and long wavelength

Which of the following electromagnetic waves has the lowest energy?

• gamma ray
• infrared wave
• visible light wave
• microwave

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

Calculate the wavelength of light that has a frequency of 5.2 x 10¹² 1/s. The speed of of light is 3.00 x 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

Solve this problems using the equation: 
C = λν
If an AM radio station broadcasts at
9.95 x 10⁵ Hz, what is the wavelength of this radiation?

• 6.59 x 10^-28 m
• 1.01 x 10^-6 m
• 3.32 x 10^-3 m
• 302 m

Which of the following is NOT a unit of frequency?

• 1/s

• s^-1

• Hz
• m/s

Which wave has the longest wavelength?

• 
• 
• 

Which wave has the most energy?

• 
• 
• 

Which of the following colors of light have the highest energy

• red

• orange

• green

• purple

When an electron transitions from a low energy level to a high energy level, the electron...

• absorbs energy and moves away from the nucleus

• emits energy and moves closer to the nucleus

• absorbs energy and moves closer to the nucleus

• emits energy and moves away from the nucleus