Week 10 CCA review

The relationship between wavelength and frequency is λ=c/f.  Calculate the wavelength of light that has a frequency of 5.2 x 10¹² 1/s. 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

High frequency waves have _________ wavelengths.

• varying
• long
• the same
• short

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

An argon ion laser emits light at 488 nm. What is the frequency of this radiation?

• 4.07 x 10^-19 Hz
• 6.15 x 10¹⁴ Hz
• 1.46 x 10² Hz
• 2.05 x 10⁶ Hz

_____________________light is the only type of EM wave detected by the human eye.

• Red
• Gamma
• Microwave
• Visible

A common infrared laser operates at
1.06 x 10³ nm. What if the energy of a photon with this wavelength?

• 7.02 x 10^-40 J
• 6.25 x 10^-28 J
• 3.54 x 10^-15 J
• 1.87 x 10^-19 J

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

What color has the highest frequency and the shortest wavelength

• Violet
• Black
• White
• Green

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0