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Christian Doppler Birthday | क्रिश्चियन डोप्लर का 215 वां जन्मदिन

Christian Doppler 215th Birthday – 29 November 2018

जब एक अग्नि इंजन पहुंचता है, तो मोहिनी तेज हो जाती है क्योंकि यह करीब आती है, आपके आदमों पर कर लगती है क्योंकि यह अतीत में घूमती है, और दूरी में फीका होता है। वॉल्यूम में इस अंतर का कारण क्या है?

1842 में ऑस्ट्रिया गणितज्ञ और भौतिक विज्ञानी क्रिश्चियन डोप्लर ने एक घटना में डॉपलर प्रभाव के रूप में दस्तावेज के रूप में उत्तर दिया था, यह एक अवधारणा है जो ध्वनि और प्रकाश दोनों पर लागू होती है, अन्य घटनाओं के अलावा।

सीधे शब्दों में कहें, ‘तरंगों’ में ध्वनि उत्पन्न होती है। इस तरह की लहरों के स्रोत करीब आते हैं, तरंगों को स्वयं तक पहुंचने में कम समय लगता है। उन्होंने आपको ध्वनि को और अधिक गहन बनाने के साथ बढ़ती आवृत्ति के साथ मारा। जैसे-जैसे स्रोत दूर हो जाता है, तरंगें फैलती हैं, और आवाज कमजोर हो जाती है।

Learn Moreगर्ट्रूड जेकिल का 175 वां जन्मदिवस | Gertrude Jekyll

डोप्लर प्रभाव यह भी बताता है कि आकाश में सितारे अलग-अलग रंगों के क्यों दिखाई देते हैं। जैसे ही एक सितारा पृथ्वी तक पहुंचता है, तरंग दैर्ध्य संकुचित होता है और तारा रंग में ब्लूअर प्रतीत होता है। यदि बातचीत होती है और एक सितारा हमारे से दूर जा रहा है, तो यह रेडर दिखाई देता है।

यद्यपि डोप्लर प्रभाव वैज्ञानिक साहित्य में उनका सबसे प्रसिद्ध योगदान है, लेकिन ईसाई डोप्लर ने बीस साल के शिक्षण कैरियर के दौरान गणित, भौतिकी और खगोल विज्ञान में पचास कार्यों से अधिक लेख लिखा है, जो आधुनिक दिन ऑस्ट्रिया, चेक गणराज्य और हंगरी में फैले हुए थे।

एलिस ग्यूट ज़ूम गेबर्टस्टैग, हेर डोप्लर (Christian Doppler Birthday)!


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