Questions Asked

robbie_:
Infrared light has a wavelength of about 10 microns. What is its wavenumber in cm1 (number of waves in one cm)?
 updated 5 months ago
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robbie_:
Visible light has a wavelength of about 0.5 microns. What is its frequency in Hz (cycles per second)?
 updated 5 months ago
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robbie_:
FM radio operates at a frequency of about 100 MHz. What is its wavelength in centimeters?
 updated 5 months ago
 2 replies
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robbie_:
FM radio operates at a frequency of about 100 MHz. What is its wavelength in centimeters?
 updated 5 months ago
 17 replies
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robbie_:
Infrared light has a wavelength of about 10 microns. What is its wavenumber in cm1 (number of waves in one cm)?
 updated 5 months ago
 No Medals Yet

robbie_:
Infrared light has a wavelength of about 10 microns. What is its wavenumber in cm1 (number of waves in one cm)?
 updated 5 months ago
 1 reply
 No Medals Yet

robbie_:
Infrared light has a wavelength of about 10 microns. What is its wavenumber in cm1 (number of waves in one cm)?
 updated 5 months ago
 No Medals Yet

robbie_:
Burning coal yields about 30E6 J of energy per kg of coal burned. Assuming that the coal power plant is 30% efficient, how many kg coal has …
 updated 5 months ago
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robbie_:
A joule is an amount of energy, and a watt is a rate of using energy, defined as 1 W = 1 J / s. How many joules of energy are required to ru…
 updated 5 months ago
 1 reply
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robbie_:
A joule is an amount of energy, and a watt is a rate of using energy, defined as 1 W = 1 J / s. How many joules of energy are required to ru…
 updated 5 months ago
 2 replies
 No Medals Yet