नोबेल पुरस्कार – २०१४ : भौतिकशास्त्र

भौतिकशास्त्रातील नोबेल पारितोषिक २०१४ जाहीर झाले आहेत.
LED चा शोध लावणाऱ्या ३ शास्त्रज्ञांना!
इसामु आकासाकी, हिरोशी अमानो, शुजी नाकामुरा
LED – Light Emitting Diode – नीलप्रकाश उत्सर्जित करणारे डायोड

LED चा शोध महत्वाचा का? : -
जगभरातील उर्जेपैकी २५% उर्जा दिव्यांसाठी खर्च होते.
LED च्या शोधणे असे बल्ब (दिवे) तयार झाले की त्यांनी पारंपरिक दिव्यांपेक्षा २०-८०% उर्जाबचत केली.
+ हे दिवे पर्यावरण पूरक आहेत.
आज दीड अब्ज लोकांची घरे LED ने प्रकाशित आहेत.

tags : Current Affairs for Examination Current Affairs for Examination in Marathi General Knowledge for Examination General Knowledge for Examination in Marathi General Knowledge सामान्य ज्ञान भारतीय राज्यशास्त्र भारतीय राज्यघटना Indian Polity Indian Constitution



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