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WorksheetsWavelength, Frequency, Energy Practice
Total questions: 16
Worksheet time: 1hrs 16mins
What is the speed of light?
3.0x108 ms
3.0x108 m/s
6.626x10-34 Js
6.626x10-34 J/s
Now, practice entering the number for the value of the Speed of Light: [Type your answer as NUMBERx10^exp, without spaces or units]
(a)
What is the value of Planck's Constant?
(a)
A blue light has a wavelength of 4x10^-7 m. What is its frequency, to one decimal place?
(a)
When an electric stove glows red, it is producing near-IR light, of wavelength about 7.9x10^-7 m. What is its frequency to 3 decimal places?
(a)
A blacklight that makes neon things glow in the dark has a wavelength of about 3.15x10^-7 m. What is its frequency? (2 decimal places please!)
(a)
Below are the answers to the previous 3 questions. Which one has the MOST energy?
9.52x10^14
3.797x10^14 Hz
7.5x10^14
They are all the same
A radio station that Mrs. Gladstone likes is 97.5 WWWV out of Charlottesville. The station number means that the frequency of the radio wave is 97.5 Megahertz, or 9.75x10^5 Hz. What is the wavelength? (Use the Hz value and report it to 2 decimal places please!)
(a)
If you have satellite TV, a radio-type wave comes to your house from space at a frequency of 12.2 GHz, which is 12.2x10^9 Hz. Choose the best answer for the wavelength!
0 m
0.0246 m
2.46x10^7 m
40.67 m
A soda bottle is about 13 inches tall, or 3.3x10^-1 m. An electromagnetic wave of the same wavelength would be what type of wave?
Radio wave
Micro wave
Visible light
X-ray
A certain wave has a frequency of 2.68 x 10^6 Hz. How much energy does it have? (1 decimal places please. Hint: exponent is -27)
(a)
PET scans for medical imaging usually involve a small amount of radioactive decay, producing a gamma ray of about 1.24x10^20 Hz. How much energy does this radiation have? (3 decimal places please!)
(a)
Yellow-orange light has approximately 3.4x10^-19 J of energy. What is its frequency to 1 decimal place?
(a)
Using the combined wave equation, calculate the energy of the lasers in a Blu-ray player, which emit at 405x10^-9 m. Please express it to 2 decimal places
(a)
Using the combined wave equation, calculate the energy of the shade of orange known as Safety Orange, 622x10^-9 m, and express it to 3 decimal places!
(a)
