Measuring Wavelength

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

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NGSS.HS-PS4-1

High frequency waves have _________ wavelengths.

• varying
• long
• the same
• short

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NGSS.HS-PS4-1

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

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NGSS.HS-PS4-1

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

• frequency
• amplitud
• wavelength
• hertz

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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

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NGSS.HS-PS4-1

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

• microwave
• infrared
• ultraviolet
• x-ray

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NGSS.HS-PS4-4

Which wave has a greater frequency?

• A
• B

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

• Red
• Gamma
• Microwave
• Visible

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NGSS.HS-PS4-3

Calculate the wavelength of light that has a frequency of 5.2 x 10¹² .

• 5.8 x 10 ^-5 m

• 5.8 x 10 ^-7 m

• 5.19 x 10 ¹⁴ m

• 1.56 x 10 ²³ m

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NGSS.HS-PS4-1

IRAS, the Infrared Astronomy Satellite launched by NASA in 1983, had a detector that measured infrared or heat radiation from different regions of space. What is the frequency of infrared light that has a wavelength of

1.10 X 10^-6 m?

• 3.67 x 10^-15 Hz

• 3.67 x 10^-3 Hz

• 2.73 x 10² Hz

• 2.73 x 10¹⁴ Hz

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