Electrons NP #1 & 2

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 _________ wavelength.

• varying
• high
• the same
• low

A high-frequency wave has ___________ than a low-frequency wave

• a longer wavelength
• a shorter wavelength
• the same wavelength
• a stronger source

Solve this problems using the equation: C = λ  x  ν
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
• 301 m

The distance between two crests or two troughs of a wave is called:

• frequency
• amplitud
• wavelength
• hertz

Put the visible light colors in order from longest wavelength to shortest wavelength

• Violet, Blue, Green, Orange, Yellow, Red
• Red, Yellow, Green, Orange, Violet, Blue
• Red, Orange, Yellow, Green, Blue, Violet
• Blue, Violet, Green, Yellow, Orange, Red

Which kind of wave has the greatest frequency?

• gamma rays
• infrared
• ultraviolet
• microwaves

Determine the wavelength of this wave?

• 1m
• 2m
• 3m
• 4m

What is the shortest wavelength of visible light?

• 10^-12m
• 710nm
• 390nm
• 10m

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

• microwave
• infrared
• ultraviolet
• x-ray