Gopala krishnan wrote As I said again you are beating around the bush. Our subject was study of light. I said, in non-semster system, which you and I studied, subject Light under Physics, examination is conducted in the last year for theory and practical. Now you are going to theorem, while I talked about nostalgic memories. I know you will never answer to the point. If I write further, you have your usual Tamil abusing- Pota, pota, Punnakku. In Malayalam there is a saying- Ariyethra? Answer Payar Anjazhi. You are like that responding Gopalakrishnan KR Who is beating around the bush you or me? You started with light studies for 3 years; then shifted to semester; then exam gold medal etc . i said light is a subject taught only in one year; also wave theory is dealt in physics under sound Mechanic also You ran away and circuited yourself , because your anger and frustration is exposed Keep jogging at the same spot KR IRS 7623
On Wed, 7 Jun 2023 at 16:36, '[email protected]' via iyer123 < [email protected]> wrote: > Sir, > > As I said again you are beating around the bush. Our subject was study of > light. I said, in non-semster system, which you and I studied, subject > Light under Physics, examination is conducted in the last year for theory > and practical. > > Now you are going to theorem, while I talked about nostalgic memories. > > I know you will never answer to the point. If I write further, you have > your usual Tamil abusing- Pota, pota, Punnakku. > > In Malayalam there is a saying- Ariyethra? Answer Payar Anjazhi. You are > like that responding > > Gopalakrishnan > > On Thursday, 8 June, 2023 at 01:54:26 am IST, Rajaram Krishnamurthy < > [email protected]> wrote: > > > Hello Mr Gopala, what nonsense your write up is? You shall explain the > theory or say your exponential theorem; but as Narayanasamy does, you also > reveal your lack of knowledge, by accusing and man slaughtering like Rodys. > So you are goofing and good for nothing OK Live as you wish KR IRS 7623 > > On Wed, 7 Jun 2023 at 06:07, [email protected] <[email protected]> > wrote: > > Mr Rajaram, > > Have you studied really BSc. Physics or your hurried nature made you to > respond like this? > Really I am ashamed that you are a former IRS officer. > > Read once again what I wrote:- > > My note- The equation takes me to the nostalgic college days *when I > studied “light” under Physics* during 1961-1964 and calculation of > wavelengths of beams using spectrometer in the lab. > > Don't you know there is a section Light under Physics? Did you not > write final examination with all topics of Physics? Did you not attended > practical examination including all topics in the final year? > > *If at all you had semester system, still for practical did there no light > topic?* > > If you required clarification You might have ask me. > > I am sure you will beat around the bush and Mr APS Mani will send to me > one to one abusing mail in support of you > > > Gopalakrishnan > > > > > On Wednesday, 7 June, 2023 at 04:01:38 pm IST, Rajaram Krishnamurthy < > [email protected]> wrote: > > > CULTURAL QA 06-2023-06 by Mr G and retorts as in TORT by KR6623 > > > > Q1 Can two waves have the same wavelength but different > frequencies? Can two waves have the same frequency but different > wavelengths? > > G My note- The equation takes me to the nostalgic college days when I > studied “light” under Physics during 1961-1964 and calculation of > wavelengths of beams using spectrometer in the lab. > > KR second time he is stating it and is there any college teaching > Light alone for 3 years in the graduation? Now the physics man is > confused. The speed of any periodic wave is the product of its wavelength > and frequency. v = λf. The speed of any electromagnetic waves in free space > is the speed of light c = 3*108 m/s. Electromagnetic waves can have any > wavelength λ or frequency f as long as λf = c. Now the light speed is the > EM wave speed viz photon movements. Hence C is always constant being 3*10 > 8 m/s; Now Lambda is wave length, where photon is doing wave pattern , > not as particle. (Quantum Mechanics) In general yes, it is possible. Since > λ=C/f, any set of C and f with the same ratio will give the same > wavelength. e.g. the set C=1m/s and f=1s−1 as well as the set C=2m/s and > f=2s−1 both give a wavelength of 1m. Now same wavelength can have same > frequency is feasible ( I said feasible only though technically such > handlings are not done) . FREQUENCY IS A SIMPLE TERM: PERSECOND HOW MANY > TIMES THE SINE CURVE (WAVE)REPEATS. Now within a second sine curve can be > slower making 5 waves; it can make 10 also faster; may be 30 also and can > keep on producing speed variation is made. In the above example one wave > per second and 2 waves per sec will have to be within the light speed that > is all. That is in percussions ewe say, 8 beats, 4 by 8 beats 2 by 4 beats > etc ; or playing in which column. Faster can 8 beats be played as 16, 24,36 > etc, by which the producing of sound wave will be heard as slow beats to > faster beats. That means, in light speed, whether slow beats within a > second or fast beats within that second, are same to reach your ears. WHAT > IS BIG ABOUT IT? Radio frequency is within 200 kilo hertz (frequency is > measured by hertz which you might see in the brochure and at the back of > the machine showing KILOHERTZ.) only. 98.3 FM station is within 98.4 and > 98.2; in that frequency on air the radio wave I sent per second, This is > taught not only in light , also in sound and mechanics. I have also done > and taught physics to students with age difference of low frequency. > > Q2 Will you support Ashwini Vaishnaw, Railway Minister, after > the Balasore rail accident? > > A2 Madan, Former Medical at Naval Forces (non-specific) > (2004–2019)23h > > These are the merits of Ashwini Vaishnaw railway minister. > > He is a gold medal in B-Tech > > He is ECE -M.Tech from IIT Kanpur - > > HE CLEARED ALL INDIA RANK 27 IN IAS - > > He is Deputy Secretary to the Government of India > > He is an MBA from the University of Pennsylvania MD, > > He is GE Transportation of America - > > He is VC of Siemens, Germany Chairman of Murmugao Port Authority. > > This is the Picture of the Day. > > After 51 hours Train movement resumed in the affected section. Railway > Minister Ashwini Vaishnav worked nonstop. He is still at the spot to lead > his team.No doubt. I will support my best railway minister. > > G My note- I have added this QA only for the qualifications of our > Railway minister. > > KR Thank GOD that he accepted the retired IAS as qualification. Then > he is partial and few others in this group also, derailing the > qualification of civil service as formerly, mentally etc and are you still > working etc? Elephant showers sand on its head? > > Blood sugar levels as usual a rama bhajanai > > Compiled and posted by R. Gopala krishnan, former ITS, on 06-06-2023 > > Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > CULTURAL QA 06-2023-06A by Mr G and content really intented by KR IRS 6623 > > Q1 Is fruit salad healthy? > > G My note- Fruit salad with ice cream top will be tastier. > > KR elsewhere below seen doctor said once a while has it then what is > there in life; because as fool you will be giving him more money; which > doctor will not, advice like that? Fruit salad is not good as payasam etc. > If you taste it you have to walk equivalently, to deny it mixing in the > blood. Neuropathy, and antipathy will follow. Taking life easier is your > choice but pl do not justify using doctor. > > Q3 What are some interesting facts which are not commonly known? > > G Human eyes are made of nearly 2 million working parts. > > KR where stated sir? Have you checked it or blindly followed? > > G Every person on this planet has an individual smell. > > KR Again pl prove it don’t say he said it etc. Get that right > sir. > > G TONGUE is the fastest healing part of body. > > KR again an error; many more can get cured faster subject to your > body condition. > > G The human body is made up of 0.2 milligrams of gold. > > KR Again pl prove it. > > G Females are better than males at remembering faces. > > KR PSYCHOLOGICALLY A BIG NO. > > G There will be more plastic in our oceans than fish by 2050. > > Kr It is spoken and not true Pl don’t write gossips. > > Compiled and posted by R. Gopala krishnan, former ITS, on 06-06-2023 > > K Rajaram IRS 6623 > > *'gopala krishnan' via iyer123* > > Tue, 6 Jun, 17:27 (9 hours ago) > > to 'N > > Thank you Mr Sekar for reading the QA and response with additions.My > doctor has said, once a month diabetics can have the type of the food > items as they desire. Otherwise there is no meaning of life.So once a while > having Payasam, fruit salad, coffee added with sugar etc may not harm the > organs connected with diabetics. Gopalakrishnan > > > > > > On Mon, 5 Jun 2023 at 17:53, 'gopala krishnan' via iyer123 < > [email protected]> wrote: > > *CULTURAL QA 06-2023-06* > > Q1 Can two waves have the same wavelength but different > frequencies? Can two waves have the same frequency but different > wavelengths? > > A1 Info Sage, Professional Maven13h > > *Two waves can indeed have the same wavelength but different frequencies*. > > > The relationship between wavelength (λ), frequency (f), and the speed of > light (c) is given by the equation c = λf, where c is a constant. > > *This equation shows that wavelength and frequency are inversely > proportional to each other when the speed of light remains constant.* > > *My note- The equation takes me to the nostalgic college days when I > studied “light” under Physics during 1961-1964 and calculation of > wavelengths of beams using spectrometer in the lab.* > > Therefore, if the wavelength of one wave is the same as the wavelength of > another wave, their frequencies will be different if the waves are > traveling at the same speed. > > To understand this concept better, let's consider an example using > *electromagnetic > waves. Electromagnetic waves include visible light, radio waves, > microwaves, X-rays, and many other forms of radiation*. In the > electromagnetic spectrum, different types of waves have different > wavelengths and frequencies. For instance, radio waves have much longer > wavelengths and lower frequencies compared to visible light waves. > > Suppose we have two electromagnetic waves, one in the radio wave range and > another in the visible light range, that both have a wavelength of 500 > nanometers (nm). *Despite having the same wavelength, these two waves > will have different frequencies because their speeds of propagation differ.* > The radio wave will have a lower frequency compared to the visible light > wave since radio waves travel at a slower speed than visible light. > > On the other hand, two waves can also have the same frequency but > different wavelengths. If the frequencies of two waves are the same, > their wavelengths will be different if the waves are traveling at the same > speed. *This phenomenon is observed in Doppler effect situations. The > Doppler effect occurs when there is relative motion between the source of a > wave and an observer*. It causes a shift in frequency and wavelength of > the wave. > > For instance, consider two sound waves with the same frequency, but one is > emitted by a moving object and the other by a stationary object. As the > moving object approaches the observer, the wavelength of the sound wave > decreases, resulting in a higher frequency. Conversely, as the moving > object recedes from the observer, the wavelength of the sound wave > increases, leading to a lower frequency. > > In summary, while two waves can have the same wavelength but different > frequencies, or the same frequency but different wavelengths, it is > important to understand the relationship between wavelength, frequency, and > the speed of propagation for a given type of wave. This relationship > determines how changes in wavelength or frequency can occur while keeping > other parameters constant. > > *My note- The different radio stations worked/works* with different > wavelengths either through terrestrial transmission or though satellite. > The same with television channels also. > > Q2 Will you support Ashwini Vaishnaw, Railway Minister, after > the Balasore rail accident? > > A2 Madan, Former Medical at Naval Forces (non-specific) > (2004–2019)23h > > These are the merits of Ashwini Vaishnaw railway minister. > > He is a gold medal in B-Tech > > He is ECE -M.Tech from IIT Kanpur - > > HE CLEARED ALL INDIA RANK 27 IN IAS - > > He is Deputy Secretary to the Government of India > > He is an MBA from the University of Pennsylvania MD, > > He is GE Transportation of America - > > He is VC of Siemens, Germany Chairman of Murmugao Port Authority. > > This is the Picture of the Day. > > After 51 hours Train movement resumed in the affected section. Railway > Minister Ashwini Vaishnav worked nonstop. He is still at the spot to lead > his team.No doubt. I will support my best railway minister. > > *My note- I have added this QA only for the qualifications of our Railway > minister.* > > Q3 How far should a septic tank pipe hang over the tank? > > A3 Gopala Krishnan, Former Assistant General Manager 1996-2004 > at Department of Telecom (1966–2004)11mo > > I am from Chennai, India. Earlier the exhaust was erected in a corner of > septic tank. Normally septic tanks are constructed in front to one side of > home, so that Lorries can collect the waste when tank is full , keeping > lorry in road, using flexible pipe to suck the contents of septic tank > using a motor. > > *Nowadays, the exhaust is erected in the middle of septic tank line and > perforated cover is provided*. One has to SEARCH some times to see where > the exhaust is provided. This is erected to a height of above 15 feet, by > PVC non flexible pipe. > > As far as flats are combined, there could be more septic tanks, Lorry > could go inside and exhausts must be somewhere in the open area/close to > walls. Height of the PVC non-flexible pipe may be above 25–30 feet. > > *My note- The idea is creation of different gases can* be in the pipe > line also, hence central placing will enable escaping of gases in a better > manner. > > This answer was found among many answers in the Quora, somewhere in the > middle for the QA and I thought of providing my published answer in the > Quora. > > Q4 How fast do helicopter blades spin to get off the ground? > > A4 Erika Fernandez, Experience in Aviation Field Sun > > *In general, helicopter blades spin at between **200 and 600 **revolutions > per minute (RPM), which means they complete 200 to 600 full rotations > around the rotor hub every minute.* > > The larger and heavier the helicopter, the slower the blades need to spin > to produce enough lift. For example, *the huge Boeing CH-47 Chinook > helicopter, which can carry up to 55 passengers or 28,000 pounds of cargo, > has blades that spin at approximately 225 RPM.* > > On the other hand, a smaller and lighter helicopter like the Robinson R22 > Beta, which can seat two people or carry 500 pounds of payload, has > blades that spin at around 530 RPM. > > *The length of the blade also affects the spin speed.* The longer the > blade, the more air it can push down and create lift. However, there is a > limit to how long the blades can be, because they cannot exceed the speed > of sound at their tips. If they do, they would create shock waves that > would cause severe vibrations and loss of control. Therefore, shorter > blades can spin faster than longer ones without going supersonic. > > The speed of the rotor also changes depending on the flight condition of > the helicopter. The blades are designed to rotate within a narrow range > of a few percent of their normal speed. However, during climbing, > descending, cruising, or maneuvering, the pilot can adjust the pitch angle > of the blades to increase or decrease their lift and thrust. This also > affects their rotational speed slightly. > > My note- Not related to helicopter, but relating to RPM. In washing > machines during drying the RPM is set to 800 RPM. This can be altered > manually to 400 RPM so that the momentum can be reduced. > > So the rotation of drum is much more than that of helicopter blades. > > Q5 What are the latest blood sugar levels suggested and > approved by ADA? > > A5 PharmaRx,14h > > As of my knowledge cut off in September 2021, the American Diabetes > Association (ADA) recommends the following blood sugar level targets for > adults with diabetes: > > Fasting Blood Glucose (measured after not eating for at least 8 hours): 80-130 > mg/dL (4.4-7.2 mmol/L) > > Postprandial Blood Glucose (measured 1-2 hours after starting a meal): Less > than 180 mg/dL (10.0 mmol/L) > > However, it's important to note that blood sugar targets can vary > depending on individual circumstances, including age, overall health, > duration of diabetes, and presence of other medical conditions. > > *All the above QA are from Quora website on 06--06- 2023.* > > *Quora answers need not be 100% correct answers .* > > *Compiled **and posted by R. 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