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Questions related to Electromagnetic Radiation
Hello i am unable to completely understand about radiation pattern is there anyone who can explain me how we can measure a radiation pattern and what basic information can we get from radiation...
03 March 2017 1,714 0 View
how can the wavelength of the wave impacting a target be quantified? for example, if a projectile hits a ceramic target and a compressive wave travels through the ceramic target and hits the free...
03 March 2017 933 8 View
In this paper, the controlled Double-Slit Electron Diffraction is realized."The electron source’s intensity was reduced so that the electron detection rate in the pattern was about 1 Hz. At this...
03 March 2017 4,264 3 View
What is the spatial and spectral hole burning phenomena in solid-state laser? Spectral hole burning is the frequency selective bleaching of the absorption spectrum of a material, which leads to an...
03 March 2017 9,375 4 View
I have four questions: 1) Does centripicle motion affect wave forms? 2) Does a physics engine aid as described below in finding angiogenic factors? 3) Can techniques similar to those used in...
03 March 2017 4,370 1 View
01 March 2017 6,222 3 View
The effect of electromagnetic field on human health is being undervalued. Especially the fields of extremely low frequencies (electric power) as well as radio frequency communications (cell phone,...
02 February 2017 4,293 6 View
when i change the total size of this slot bow tie antenna-without changing the slot size-the radiation pattern is changed and i dont have any broadside pattern in my results.
02 February 2017 7,987 7 View
I am looking for other photosensitive materials that change state, but produce significant physical distortion. Silver halide crystals, for example, has a photographic-and unique photochemical...
13 January 2017 2,559 5 View
01 January 2017 6,657 5 View
It is my contention that many aspects of the electromagnetic radiation are not sufficiently clear or have not been completely explained; ie, the Compton effect. How it is that a transverse wave...
16 December 2016 5,079 17 View
12 December 2016 3,652 21 View
Human body may interact with electromagnetic radiation via different ways such as reflection, absorption, ... We are interested to know if there is a radiation which is safely penetrate human body...
12 December 2016 5,967 2 View
We know the intensity distribution from a black-body at a fixed temperature using Planck's equation. During evaluating density of states we use a factor of 2 (for two polarization states:...
12 December 2016 8,286 7 View
Radioactive elements radiate whether alpha, beta particles or gamma rays. Is there is a device can detect each of them separately?
12 December 2016 6,131 3 View
hi .......Mobile phones use electromagnetic radiation in the microwave range.
11 November 2016 6,398 72 View
I am looking for examples of buildings or interiors which are designed specifically to accommodate or hinder the propagation of wireless communication signals. I know of a few cases, such as the...
10 October 2016 4,627 4 View
If there exist certain frequencies (or sounds) that would interact with EM radiation (or frequencies) in either constructive or destructive way, then I would like to know the nature of such...
09 September 2016 2,102 4 View
Atomically structured material matter is undoubtedly the source of gravitational force. The assumption is valid in physics that gravitational force influenced electromagnetic radiation. Is the...
06 June 2016 3,908 98 View
This question was asked by someone who wants to know if lichens can be used as indicators of electromagnetic smog.
06 June 2016 5,852 3 View
How can I plot Co-pol and X-pol in HFSS for microstrip antenna ?
06 June 2016 9,271 0 View
What are the top research institutions investigating "Extremely Low Frequency" ELF -- 3 Hz or 100,000 km for Electromagnetic Radiation?
05 May 2016 4,375 0 View
The gravitational red shift of the solar electromagnetic radiation has to be very strikingly. Scientists before Einstein would have observed it undoubted. I am thinking of Bunsen, Fresnel et al....
05 May 2016 811 92 View
For some years, optical E-field sensors (plus remote units) are commercially available; main advantage: the field is much less disturbed than by electrically conductive sensors. We would like to...
22 April 2016 3,956 5 View