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for 100 km away, how long it takes 3. One type of radar works by sending a pulse out to and object and timing If the radar is tracking a plane the pulse to return after bouncing off of the object. how long does it take from the time the pulse leaves the radar to the time it returns?

for 100 km away, how long it takes 3. One type of radar works by sending a pulse out to and object and timing If the radar is tracking a plane the pulse to return after bouncing off of the object. how long does it take from the time the pulse leaves the radar to the time it returns?

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Tmax Amin = 380nm = 380x1 & min=- M 1 max: 700hm - 700x 10-9. f max= 300×10= 1.895 3x108 = 4.286x Amin 700x10 V=N 1 Frequency range: 4.286 x 1014 -7.895x1014 f = * 듯 3. One type of radar works by sending a pulse out to and object and timing how long it takes for the pulse to return after bouncing off of the object. If the radar is tracking a plane 100 km away, how long does it take from the time the pulse leaves the radar to the time it returns? 16X374 + 3.33x10 4. Radar antenna tend to be of comparable size to their wavelength. The radiation used by radar ranges from 300 Mhz to 15 Ghz. a. What is the range of wavelengths? b. If the antenna dimensions are comparable to the wavelength of the radiation used, what will be the approximate size range of antenna used for radar? 3 =
Transcribed Image Text:Tmax Amin = 380nm = 380x1 & min=- M 1 max: 700hm - 700x 10-9. f max= 300×10= 1.895 3x108 = 4.286x Amin 700x10 V=N 1 Frequency range: 4.286 x 1014 -7.895x1014 f = * 듯 3. One type of radar works by sending a pulse out to and object and timing how long it takes for the pulse to return after bouncing off of the object. If the radar is tracking a plane 100 km away, how long does it take from the time the pulse leaves the radar to the time it returns? 16X374 + 3.33x10 4. Radar antenna tend to be of comparable size to their wavelength. The radiation used by radar ranges from 300 Mhz to 15 Ghz. a. What is the range of wavelengths? b. If the antenna dimensions are comparable to the wavelength of the radiation used, what will be the approximate size range of antenna used for radar? 3 =
how long does it take from the time the pulse leaves the radar to the time it returns? +3.33×10 4. Radar antenna tend to be of comparable size to their wavelength. The radiation used by radar ranges from 300 Mhz to 15 Ghz. a. What is the range of wavelengths? b. If the antenna dimensions are comparable to the wavelength of the radiation used, what will be the approximate size range of antenna used for radar? 5. When used for imaging, the wavelength of the radiation needs to be smaller than the thing being imaged. To a get a pretty good idea of what kind of radiation is needed to image something assume that the wavelength must be the size of the object or smaller. With this in mind, would visible light work well to image protozoa with a length of 10 micrometers? What about bacteria (about 1 micrometer)? How about a virus (about 0.1 micrometer)?
Transcribed Image Text:how long does it take from the time the pulse leaves the radar to the time it returns? +3.33×10 4. Radar antenna tend to be of comparable size to their wavelength. The radiation used by radar ranges from 300 Mhz to 15 Ghz. a. What is the range of wavelengths? b. If the antenna dimensions are comparable to the wavelength of the radiation used, what will be the approximate size range of antenna used for radar? 5. When used for imaging, the wavelength of the radiation needs to be smaller than the thing being imaged. To a get a pretty good idea of what kind of radiation is needed to image something assume that the wavelength must be the size of the object or smaller. With this in mind, would visible light work well to image protozoa with a length of 10 micrometers? What about bacteria (about 1 micrometer)? How about a virus (about 0.1 micrometer)?
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