What is a GM Counter? - Geiger Muller Counter

[@FortheLoveofPhysics]

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[@MdMuhit-kp3ny]

Sir please clear the graph of deadtime,resolving time,recovery time

[@akashsudhanshu5420]

🙃

[@RUV554]

bubble chamber video??

[@debashisbehera3251]

Sir please provide us notes

[@chakradhark.tejaswi2328]

Good morning sir.. Very nice explanation.. I'm a pharmacology department but .. I should explain GM conter to 1st years.. It explanation helped a lot to me..ur voice and style of telling is so nice.. Thanku sir

[@douweveen2031]

This man should get an award for his amazing explanation. The way he explains things simply, but with detail is something not every teacher does. Keep it up!

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great teacher. clear, crisp and amazing description of each and nuclear physics phenomenon better than class room teaching.

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Your expalation ability ,highly effective voice study content, communication skills and delivering power makes explanation unique...

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most useful for my semester exams you are the reason for me to get my degree thanks sir

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Your Flow of speaking English is just tremendous

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bhai editing achi ha, english nahi

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Kaisa editing??

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Atleast use common sense and talk​@@ritobandatta124

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Loving physics becoz of u🙏🙏

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i have never seen anyone making me understand physics so well. Thank you Sir. Very helpful video

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Thanks a lot Sir...This 12:34 minutes video did the work which I was not able to understand in many hours.... Easy to understand , easy to remember.... Luckily there was a question on GM counter in Exam..... Thanks and plz keep it on...

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Excellent video!!! i work for a company that sells GMCs and this video has been the best clear and easy explanation I have seen so far. Excellent to be used for future training. Greeting from Peru in South America!!!

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Amazing lecture. Your explanations are very clear and the diagrams effectively illustrate the points you are making. I can't wait to check out more of your videos, thank you!

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[@amjadalhindi7350]

kind correction: I read in two books that the photon emitted in this process is due to dexcitation and not bremsstrhalung Thanks again for your efforts, professor. You are great

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Boss! your explanation🔥 is a new definition of perfection....literally loved the explanation 💜

[@pritpatel9938]

00:01 A GM counter is a nuclear detector that can detect various types of radiation. 01:33 GM Counters detect ionization caused by external nuclear particles. 03:08 GM counters are distinct from other nuclear detectors in that they can induce an extremely high potential difference. 04:45 The GM Counter operates based on the avalanche effect, causing ionization chain reactions in the tube. 06:26 The existence of one nuclear particle creates an avalanche effect and leads to a count in the Geiger Muller counter. 08:03 During the GM Counter process, the detector is unable to detect any further nuclear particles. This period is known as the dead time. 09:38 Quenching methods are used to prevent delay in the dead time during the recombination process. 11:08 GM counters are based on the Townsend avalanche effect and have advantages and disadvantages.

[@farklek]

I have a question. When using a Geiger Muller pancake style probe in the field, it is possible to raise the probe to your ear and hear a crackling inside of the probe that is in time with the audible response of the Ludlum instrument. This crackling happens with the audio switched on or off and increases as the counts increase. What am I hearing take place inside of the chamber?

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Amazing video! I just wanted to ask why the catode is the negative electrode? I thought the name came from cation (positive ions) making it the positive one.

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Thank you so much sir..ur way of explanation was awesome...I need some english subtitles with it..because while i neet to write some hints means that is very useful and some complicated words are easily understood what u r sayinh...and in this video no one complicated words are there..but this idea is good for us ....tq sir..

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[@mrcalculus6242]

what a fantastic explanation sir. thank you so much.

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[@joeybeckmann7376]

As a self educated interested person, i found you explanation quite clear and easy to follow. Very helpful to someone with my outdated and limited knowledge. Question. In a higher bombard environment does the townsend avalanche occur faster within the tube? I am assuming no count takes place until "catastrophic tilt" triggers the count, with each single count having the full cycle delay before another count can begin. Question 2. If a "second" particle enters the tube during the avalanche what prevents it from affecting the current cycle in some way or another. Detectable or not. (?)

[@MasterIvo]

I have noticed that a sudden change of voltage (impulse, like an inductive spike of a coil) can trigger the geiger muller counter. I'm trying to understand why. I am Looking at the Geiger Muller tube, as an unbalanced high voltage capacitor, charged with a high voltage, in the plateau region. why does it detect this impulse? Is it because the carthode (metal sleeve) picks up the change in voltage, and this is what makes it count?

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What is the reason that an electron comes out in beta decay ( basically nucleii decay) . But this the n=p+e- + anti nutrino

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[@MrDL10]

Amazing videos, thank you so much. I would like to ask you something: you said on the video that the photons that leads to further avalanched comes from Bremsstrahlung (i am sure i have written it wrong xD), but the book 'Radiation Detection and Measurementes', by Knoll, says the photons are produced because the primary electrons are able to excite the gas molecules. Is the book wrong? or what is happening is that both gamma sources are equally important on the process?

[@FortheLoveofPhysics]

You are right, both processes are possible. However bremsstrahlung usually yields higher energy radiation. For eg in excitation-de excitation of gas molecules, the radiation energy emitted is not sufficient to ionize the same gas molecule (think about it) as ionization means ejecting the electron completely from the atom and not some inner transition. However it is possible. Photons can be emitted due to recombination also (very less probable)

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thank you for amazing videos on nuclear detectors can you make a video on bramstalung phenomenon,cerenkov radiation,positron annilation,ionization and excitation

[@FortheLoveofPhysics]

Cerenkov: kzbin.info/www/bejne/d5y1Y5eXe9xna7c Bremmstrahlung etc kzbin.info/www/bejne/d6PEYZiKq5VlhNE

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Sir, could you comment about the numerical value range of the operational voltage in the different regions?

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I have been trying so hard to find what causes the extension of dead time and finally found this. Very clear explanation, thankyou.