Homework Answers
6.6x1014 Hz .
13.2x1014 Hz will be in different spectrum and
2.6x1014 is not higher than 4.6x1014 Hz
.
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Two spectral lines in a spectrum have frequencies of 2.0 x 1014 Hz and 4.6 x...
Infrared radiation has frequencies from 3.0×1011 to 3.0×1014 Hz, whereas the frequency region for visible light...
Infrared radiation has frequencies from 3.0×1011 to 3.0×1014 Hz, whereas the frequency region for visible light is 4.3×1014 to 7.5×1014 Hz. We can say that: 1. The speed of infrared radiation is ____ (higher than, lower than, the same as) visible light. 2. The wavelength of infrared radiation is ____ (higher than, lower than, the same as) visible light.
If the fundamental frequency of cyclotron emission is 2.0 x 1014 Hz and the angular velocity...
If the fundamental frequency of cyclotron emission is 2.0 x 1014 Hz and the angular velocity of particles is 4.0 x 1014 rad/sec-1, find its wavelength.
Light of frequency 5.0 x 1014 Hz falls on a diffraction grating which has 4.2 x 103 lines /cm. At what angle will the t...
Light of frequency 5.0 x 1014 Hz falls on a diffraction grating which has 4.2 x 103 lines /cm. At what angle will the third antinodal line will be inclined to the forward direction? (49°)
The x-ray region of the electromagnetic spectrum extends between the frequencies of 1017 Hz and 1020...
The x-ray region of the electromagnetic spectrum extends between the frequencies of 1017 Hz and 1020 Hz. For x-rays of these two frequencies, calculate the corresponding wavelength in nanometers and the corresponding energy in keV.
A major line in the emission spectrum of oxygen has a frequency of 5.38 x 1014...
A major line in the emission spectrum of oxygen has a frequency of 5.38 x 1014 sec-1. Calculate the wavelength, in nanometers, of light that corresponds to this line. (This is the green light of the aurora borealis "northern lights"!) Show your work or explain your process
A major line in the emission spectrum of oxygen has a frequency of 5.38 x 1014...
A major line in the emission spectrum of oxygen has a frequency of 5.38 x 1014 sec1 Calculate the wavelength, in nanometers, of light that corresponds to this line. (This is the green light of the aurora borealis "northern lights"!) Show your work or explain your process. T i B I Ff U S X2 x2 II
Consider a speech signal x() that has the following frequency spectrum: xga) 1 + cos( -/100 a) Se...
Digital Signal Processing
DFT
Consider a speech signal x() that has the following frequency spectrum: xga) 1 + cos( -/100 a) Select appropriate values of N and T that will help us carry out DFT-based spectral analysis of this signal x401@) 800 such that the continuous-time frequencies are sampled no farther than 10 Hz apart. b) Ignore the issue of spectral leakage; under this assumption, provide a closed-form expression for the DFT of the signal using the values selected in...
Radio wave radiation has frequencies from 3.0×105 to 3.0×107 Hz, whereas the frequency region for X-ray...
Radio wave radiation has frequencies from 3.0×105 to 3.0×107 Hz, whereas the frequency region for X-ray radiation is 3.0×1016 to 3.0×1019 Hz. We can say that: 1. The speed of radio wave radiation is X-ray radiation. higher than , lower than or the same as 2. The wavelength of radio wave radiation is X-ray radiation. longer than, lower than, or the same as Please help with both questions .
Two train whistles have identical frequencies of 1.62 x 10 Hz. When one train is at...
Two train whistles have identical frequencies of 1.62 x 10 Hz. When one train is at rest in the station and the other is moving nearby, a commuter standing on the station platform hears beats with a frequency of 8.00 beats/s when the whistles operate together. What are the two possible speeds that the moving train can have? m/s moving away from the station m/s moving towards the station
1. Calculate the frequency, in Hz, for the red spectral line of hydrogen with a wavelength of...
1. Calculate the frequency, in Hz, for the red spectral line of hydrogen with a wavelength of 656 nm. (3 s.f.) 2. Determine the value of 1/λ, with λ in meters, for the red spectral line above (yes, it is that easy – 1 divided by lambda. Be careful of the conversion to m–1unit). 3. The Rydberg equation can be thought of as 1/l= (Ryd)(transition value). Determine the “transition value” from n = 4 to n =2. (Don’t determine the energy, nor the wavelength,...
Light of frequency 5.0 x 1014 Hz falls on a diffraction grating which has 4.2 x 103 lines /cm. At what angle will the third antinodal line will be inclined to the forward direction? (49°)
A major line in the emission spectrum of oxygen has a frequency of 5.38 x 1014 sec1 Calculate the wavelength, in nanometers, of light that corresponds to this line. (This is the green light of the aurora borealis "northern lights"!) Show your work or explain your process. T i B I Ff U S X2 x2 II
Digital Signal Processing
DFT
Consider a speech signal x() that has the following frequency spectrum: xga) 1 + cos( -/100 a) Select appropriate values of N and T that will help us carry out DFT-based spectral analysis of this signal x401@) 800 such that the continuous-time frequencies are sampled no farther than 10 Hz apart. b) Ignore the issue of spectral leakage; under this assumption, provide a closed-form expression for the DFT of the signal using the values selected in...
Two train whistles have identical frequencies of 1.62 x 10 Hz. When one train is at rest in the station and the other is moving nearby, a commuter standing on the station platform hears beats with a frequency of 8.00 beats/s when the whistles operate together. What are the two possible speeds that the moving train can have? m/s moving away from the station m/s moving towards the station
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